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      <Name>Thomas D May</Name>
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      <ActivityOrMissionDescription>The mission of the Boston Symphony Orchestra is to foster and maintain an organization dedicated to the making of music consonant with the highest aspirations of the musical art, creating performances and providing educational and training programs at the highest level of excellence and presenting this music to the widest audience possible. BSO concerts include: the Boston Symphony winter season in Symphony Hall in Boston; the Boston Symphony's summer festival at Tanglewood, its outdoor summer home in Lenox and Stockbridge, Massachusetts; and Boston Pops concerts in Symphony Hall that reach a third audience for whom orchestral music may not be as familiar. Additionally, an array of BSO education and community engagement programs are held each year that are intended to serve as a resource for educators, families and students.</ActivityOrMissionDescription>
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      <MissionDescription>The mission of the Boston Symphony Orchestra is to foster and maintain an organization dedicated to the making of music consonant with the highest aspirations of the musical art, creating performances and providing educational and training programs at the highest level of excellence and presenting this music to the widest audience possible. BSO concerts include: the Boston Symphony winter season in Symphony Hall in Boston; the Boston Symphony's summer festival at Tanglewood, its outdoor summer home in Lenox and Stockbridge, Massachusetts; and Boston Pops concerts in Symphony Hall that reach a third audience for whom orchestral music may not be as familiar. Additionally, an array of BSO education and community engagement programs are held each year that are intended to serve as a resource for educators, families and students.</MissionDescription>
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      <Description>Orchestra Music Programs: Founded in 1881, the mission of the Boston Symphony Orchestra (BSO) is to foster and maintain an organization dedicated to the making of music consonant with the highest aspirations of the musical art, creating performances and providing educational and training programs at the highest level of excellence. Recognized as one of the world's finest orchestras, the BSO presents an average of 27 programs in approximately 100 concerts at Symphony Hall between September and April each year that embrace the full range of orchestral repertoire. Another 25 concerts and 7 open rehearsals are presented each summer at Tanglewood, the BSO's summer music festival in western Massachusetts. The BSO also offers an annual series of concerts in New York's Carnegie Hall and 12 Youth and Family Concerts, including a series of three open rehearsals for high school students. Following the close of the BSO's winter season through early July and during the December holiday season, the Boston Pops give approximately eighty concerts. All told, the BSO is the world's largest orchestral operation and the fourth-largest performing arts institution in the United States. The BSO's 2011-12 subscription season marked the orchestra's 131st year. The 2011-12 season featured some of the most ambitious, seminal pieces within the classical repertoire. An all-Mozart program on opening night (September 30, 2011) featured an innovative concert format, with violin virtuoso Anne-Sophie Mutter appearing as both soloist and conductor. The season also included the final concerts of a complete John Harbison symphony cycle, culminating with the world premiere of the composer's Symphony No. 6 (a BSO commission). A wealth of classical masterworks, including beloved choral works like Beethoven's Missa Solemnis; symphonies by Haydn, Brahms, Mahler, and Beethoven; and significant pieces by composers such as Debussy, Stravinsky, and Strauss were performed with world-renowned guest conductors, including Kurt Masur, Rafael Frühbeck de Burgos, Charles Dutoit, and Bernard Haitink. From December 6-10, 2011, the BSO toured the west coast to glowing reviews, appearing under the baton of conductor Ludovic Morlot at Davies Symphony Hall in San Francisco (as part of the San Francisco Symphony's 100th anniversary celebration), the Granada Theatre in Santa Barbara, the McCallum Theatre in Palm Desert and the Walt Disney Concert Hall in Los Angeles. Among the works featured were Harbison's Symphony No. 4, Ravel's Daphnis et Chloé, and Mahler's Symphony No. 1. Tanglewood celebrated its 75th season as the nation's leading summer music festival in 2012. A gala concert on July 14, 2012 featured the best of Tanglewood. The Boston Symphony, Boston Pops, Tanglewood Music Center Orchestra, and Tanglewood Festival Chorus all performed, with conductors John Williams, Keith Lockhart, and Andris Nelsons taking the podium. Special guest soloists included Yo-Yo Ma, Emanuel Ax, Peter Serkin, James Taylor, and Anne-Sophie Mutter. The Festival's Opening Night on July 6, 2012 also marked the anniversary with a reprise of the repertoire from the BSO's first concert at Tanglewood in 1937. The all-Beethoven program included the "Leonore No. 3" Overture and Symphonies No. 5 and 6. Over the course of the season the Tanglewood Festival served a record audience of 376,000. Throughout its history, the BSO has enabled the creation of hundreds of works, many of which have become landmarks in orchestral repertoire. BSO has commissioned and presented more than 400 U.S. and world premieres, including major works by Sergei Prokofiev, Igor Stravinsky, Samuel Barber, Béla Bartók, Elliott Carter, Aaron Copland, George Gershwin and John Harbison, among many others. Several BSO commissions have become landmarks of the 20th Century orchestral repertoire, including Stravinsky's Symphony of Psalms, Bartók's Concerto for Orchestra, and Bernstein's Symphony No. 3, Kaddish. More recently, Yehudi Wyner's piano concerto, Chiavi in mano, was recognized with the Pulitzer Prize, and Peter Lieberson's Neruda Songs has become a commercial success. During the 2011-12 BSO season in Symphony Hall, as mentioned above, the orchestra presented the American premiere of the Harbison Symphony No. 6 (a BSO commission). For all BSO (Boston, Tanglewood, and Carnegie Hall) and Boston Pops concerts, attendance was approximately 1.2 million. BSO concerts from Symphony Hall (Saturday evenings) and Tanglewood (Saturdays and Sundays) were also heard throughout southern New England in weekly live radio broadcasts over Classical New England 99.5 (formerly WCRB, now a subsidiary of WGBH), in addition to reaching a global audience through live, online streaming on the WGBH website. Saturday-evening concerts during the Boston Pops' season were also broadcast live over Classical New England 99.5. All told, these broadcasts reached a listening audience of more than 450,000. Additionally, the CBS broadcast of the July 4th Pops concert on Boston's Charles River Esplanade reaches millions of viewers nationwide, beyond the approximately 400,000 in attendance in Boston. Expanded media activities around the Tanglewood 75 milestone, reaching hundreds of thousands of additional patrons, included live radio broadcasts, music streams and downloads of historic performances from the past 75 years, and special webcasts of select Tanglewood Music Center master classes. Tanglewood's 75th Anniversary gala concert on July 14 was recorded and broadcast on PBS on Friday, August 10 as part of PBS's Great Performances "Summer Festivals" series. The core Symphony Hall audience comes from the Greater Boston area, and nearly 70 percent of the Tanglewood audience comes from outside Massachusetts. The BSO actively works to cultivate new and non-traditional audiences - especially for new music - through targeted community engagement activities. The institution has well-established collaborations with public schools, colleges, music schools, and community organizations throughout the Greater Boston area that allow it to interact directly and on a regular basis with the audiences it wishes to cultivate. According to an independent economic-impact study released in 2008, the BSO generates $136 million annually for the Boston-area economy and another $61 million for the Berkshire County economy during the 10 weeks that the orchestra is in residence at Tanglewood.</Description>
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        <Description>Education: Education is integral to the BSO's mission and comprises two main components: 1.) training of young professional musicians at the Tanglewood Music Center, the BSO's world-renowned summer academy for advanced musical study; and 2.) Education and Community Engagement programs that offer individuals of all backgrounds, at all stages of life, an opportunity to develop their relationship with the BSO and build their ownership of and engagement with orchestral music through high quality, relevant, multileveled, and interactive education and community engagement experiences. Over the past seven decades, the Tanglewood Music Center (TMC) has established itself as the preeminent professional music-training center of its kind, and its alumni have shaped and changed the musical landscape in all parts of the world. The TMC program is truly unique, having a fully-integrated relationship with a world-class symphony orchestra, continuously drawing on the musicians, ideas, and resources of the BSO, and enlisting the participation of its artists to create and contribute to the educational experience of young musicians in the most profound manner. The mission of the TMC is to serve as a bridge from the conservatory to the professional world, allowing young musicians of the highest promise to gain access to the guidance of the music world's most esteemed senior professionals. The relationships cultivated at the TMC offer direct entrée to upper levels of the profession. Upon completing their time at TMC, TMC "fellows" are deemed to have all of the requisite skill and training for highly successful careers as performing musicians. Since its inception the TMC has also functioned as a think tank in which faculty are encouraged to pursue directions that will open new avenues in the field. The principal areas of study and performance at the TMC are orchestral and chamber music, with a heavy emphasis on contemporary music, vocal repertoire including art song and staged opera (also involving instrumentalists), composition, and conducting. In the summer of 2012, 153 accomplished fellows studied and performed for eight weeks under the direction of 60 resident and guest faculty members and members of the Boston Symphony Orchestra. Participating fellows represented 30 states and 17 foreign countries. Performance and study of new music, always central to the TMC methodology, were programmed throughout the summer, and the TMC fellows played a prominent role in Tanglewood's annual Festival of Contemporary Music, which was directed in 2012 by composer Oliver Knussen. A highlight of the 2012 Festival of Contemporary Music was the concert performance of Mr. Knussen's Higglety Pigglety Pop!, which featured the talented young vocalists and instrumentalists of the Tanglewood Music Center. Some 35,000 individuals participate each year in an array of BSO Education and Community Engagement programs intended to serve as a resource for educators, families, and students. BSO education programs welcome and include individuals of all backgrounds and learning styles, at all points in their relationship with orchestral music, and connect with residents in a wide range of communities across their life spans. During FY2012, the BSO offered, among other programs, a total of six Youth and Family Concerts during a week of concerts in March 2012. Although safety considerations following a catastrophic power failure in Boston's Back Bay on March 13 required the cancellation of two weekday concerts, the six remaining performances were attended by more than 12,000 students from schools across Massachusetts. Through the Metropolitan Youth Concerts series, the BSO fully underwrites admission to the Youth Concerts for students in the Boston Public Schools and other metro-Boston school systems. This program serves more than 4,000 urban children in third through twelfth grades from approximately 50 schools. The BSO's High School Open Rehearsals, a relatively new initiative launched in FY08 that brings interested teenagers to Symphony Hall to observe how the orchestra prepares its repertoire, were attended by 2,606 students. The BSO has offered a Concerto Competition for advanced high-school instrumentalists (piano, strings, winds, and brass) since 1959 when Harry Ellis Dickson founded the BSO's current Youth Concerts series. Two first-place awards are now offered. Each award includes a cash prize as well as a performance at a Boston Symphony Family Concert or a Boston Pops concert. Second- and third-place winners receive small cash prizes. Over the years, a number of Concerto Competition winners have gone on to careers as soloists, orchestral musicians, or teachers, including longtime BSO Assistant Principal Bass Larry Wolfe and National Symphony Orchestra Concertmaster Nurit Bar-Josef. In the summer of 2012, Days in the Arts (DARTS) continued to provide students from across Massachusetts with intensive, hands-on experiences in the arts. For eight weeks each July and August, DARTS draws upon the richly diverse resources of the Boston Symphony Orchestra and the world-class cultural institutions of the Berkshires, offering a unique opportunity for students to experience the arts and to discover and explore their own creative potentials in a supportive, non-judgmental environment. Participants are students entering the fifth, sixth, and seventh grades, drawn from urban, suburban, and rural communities across Massachusetts. In 2012, DARTS enrolled a total of 386 children for eight one-week sessions. During each session, the students explored an artistic discipline revolving around a variety of age-appropriate themes. Included in the program was an average of three field trips per week to such local arts institutions as Jacob's Pillow Dance Festival and the Norman Rockwell Museum. Each student successfully produced an end-of-the-week presentation that incorporated their discipline and the theme of the week. They also participated in daily creative-writing sessions and kept a journal of their experiences at DARTS.</Description>
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        <Description>Historic Preservation and Conservation and Facility Rental: Symphony Hall has long been considered the finest concert hall in the United States, and its spectacular acoustic qualities have earned it a place among the top three concert auditoriums in the world, a fact underscored by the hall's designation as a National Historic Landmark in 1999. Symphony Hall resonates with a century of great performances by leading artists, the musical vibrancy of the 20th century, and the important voices of history. It is a familiar location for millions of viewers nationwide who have watched "Evening at Pops" on PBS. Since 1900, virtually all of the world's great concert artists have appeared (and continue to appear) on the Symphony Hall stage, either with the BSO or in solo recitals. Touring ensembles have also taken advantage of the hall's acoustics, from renowned symphony orchestras to the U.S. Marine Band. The hall is also the main performance venue for a number of ensembles and presenters, including the Handel &amp; Haydn Society, one of the nation's first permanent performing groups, established in 1815. Symphony Hall is also the primary venue for the Celebrity Series of Boston and the Boston Youth Symphony Orchestras. Frequently used as a civic auditorium, Symphony Hall has hosted many non-musical events that bear upon U.S. history and reflect the development of the United States as a world leader. In the early years of the 20th century, the hall served as a place to honor and present the luminaries of that era. World figures in politics and literature have lectured in Symphony Hall regularly, and controversial social issues were also given their due in debates. Tanglewood is the summer performance home of the Boston Symphony Orchestra and is located in Lenox, Massachusetts, amid the scenic splendor of the Berkshire hills. Established in 1936 by then-BSO Music Director Serge Koussevitzky, Tanglewood is now one of the world's preeminent summer music festivals. Tanglewood is also a festival renowned for its vital role in the development of America's contributions to music. Tanglewood attracts more than 350,000 visitors from around the world annually, and presents ten weeks of diverse programming each summer, the central feature of which is 25 BSO concerts and 7 open rehearsals featuring the finest classical music and the most esteemed conductors and soloists. The festival also includes a weekly chamber music series, solo recitals by acclaimed artists, some fifty concerts and recitals by fellows of the Tanglewood Music Center, the weeklong Festival of Contemporary Music, a Popular Artists Series, and jazz concerts. Comprising the former Tanglewood and Highwood estates, Tanglewood covers more than 500 scenic acres and remains open to the public year-round, much like a state park. There are 23 buildings on the grounds, including three principal performance venues: the Koussevitzky Music Shed, Seiji Ozawa Concert Hall, and the Tanglewood Theatre. Built in 1938 from plans by Eliel Saarinen, the Koussevitzky Music Shed is a seasonal hall that is open on three sides and has 5,121 seats with additional seating for more than 10,000 on the adjacent lawn. All BSO and visiting orchestra concerts are performed in the shed. Opened in 1994, Seiji Ozawa Hall provides a venue for the Tanglewood festival's solo and chamber music performances, including Friday-evening prelude concerts. The brick and wood structure also provides space for rehearsals by Tanglewood's guest artists, serves as the headquarters of the Tanglewood Music Center, and acts a recording facility. It seats up to 750 audience members on the orchestra level and an additional 450 in the two balconies, as well as hundreds more on the adjacent lawn. The Theatre is the second Tanglewood structure designed by Eero Saarinen. It is used primarily by the TMC for opera and other staged productions not suited for presentation in Ozawa Hall. This wooden structure has a full orchestra pit and fully rigged stage. The Tanglewood master plan was completed in the summer of 2005, resulting in an approved plan that will guide the enhancement and preservation of this unique property for the next seven to ten years. During FY12, in accordance with the Boston Symphony Orchestra's master plan for facilities, the BSO continued extensive exterior restoration work on Symphony Hall in Boston and completed a major sewer system installation at Tanglewood.</Description>
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        <Description>Electronic Media: During FY12, the BSO was featured in live local broadcasts of weekly Symphony Hall and Tanglewood Concerts on 99.5 Classical New England , a subsidiary of public radio station WGBH. Expanded media activities around the 75th anniversary of Tanglewood included special live radio broadcasts, and webcasts of select Tanglewood Music Center master classes. Tanglewood's 75th Anniversary gala concert on July 14 was recorded and broadcast on PBS on Friday, August 10 as part of PBS's Great Performances "Summer Festivals" series. A special electronic media initiative, "Tanglewood 75th: From the Audio Archives" offered free music streams of content from Tanglewood's remarkable and storied history. The BSO released one free stream of music selected from hallmark performances at Tanglewood each day for 75 days, with each stream offered as a paid permanent digital download following the expiration of the free streaming period. Over 400,000 items were streamed or downloaded as a result of this initiative. The BSO's website (www.bso.org) continued to prove its value as one of the orchestra's most vital business assets, receiving nearly 7 million visits in FY12, 15 percent of which were international. This generated more than 33 million page views. The BSO's website continues to be the largest and most-visited orchestral website in the country. The website is also essential to executing the orchestra's educational and community engagement mission. For each of the BSO's winter season programs, the orchestra releases a concert-overview podcast that offers insight into how listeners may approach given compositions, as well as audio or video clips from the BSO's archives and live interviews, when applicable. Currently, the BSO's podcast series has 98,000 subscribers, of which 76,500 are active. All audio and video podcasts are published through the BSO Media Center, which is available at www.bso.org and also via download as an iPhone or iPad app. Additionally, during FY12 the BSO's Classical Companion series (successor to the Online Conservatory), offering interactive exploration of select BSO programs, was visited 250,000 times. More than 7 million people have visited the Classical Companion or its predecessor since FY '04.</Description>
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        <Description>Merchandise Sales: The Boston Symphony operates retail shops at both Symphony Hall and Tanglewood. These shops sell recordings of the BSO and other featured performers, books, music, posters and clothing and other items that serve to promote and disseminate the name and music of the Boston Symphony, Boston Pops and Tanglewood.</Description>
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      <StatesWhereCopyOfReturnIsFiled>NY</StatesWhereCopyOfReturnIsFiled>
      <UponRequest>X</UponRequest>
      <TheBooksAreInCareOf>
        <NamePerson>Thomas D May</NamePerson>
        <TelephoneNumber>6172661492</TelephoneNumber>
        <AddressUS>
          <AddressLine1>301 Massachusetts Ave</AddressLine1>
          <City>Boston</City>
          <State>MA</State>
          <ZIPCode>021154557</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
      <InfoInScheduleOPartVII>X</InfoInScheduleOPartVII>
      <Form990PartVIISectionA>
        <NamePerson>William F Achtmeyer</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>George D Behrakis</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Alan Bressler</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Jan Brett</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Samuel B Bruskin</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Paul Buttenwieser</NamePerson>
        <Title>Vice-Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Eric D Collins</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Diddy Cullinane</NamePerson>
        <Title>Vice-Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Cynthia Curme</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Alan J Dworsky</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>William R Elfers</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Nancy J Fitzpatrick</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Michael Gordon</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Brent L Henry</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Charles H Jenkins Jr</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Stephen Kay</NamePerson>
        <Title>Vice-Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Edmund Kelly</NamePerson>
        <Title>Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Joyce G Linde</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>John M Loder</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Carmine A Martignetti</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Robert J Mayer MD</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Robert P O'Block</NamePerson>
        <Title>Vice-Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Vincent M O'Reilly</NamePerson>
        <Title>Treasurer</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Susan W Paine</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Carol Reich</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Edward I Rudman</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Arthur I Segel</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Roger T Servison</NamePerson>
        <Title>Vice-Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Thomas G Stemberg</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Theresa M Stone</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Caroline Taylor</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Stephen R Weber</NamePerson>
        <Title>Vice Chairman</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Stephen R Weiner</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Robert C Winters</NamePerson>
        <Title>Trustee</Title>
        <AverageHoursPerWeek>2</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
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        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Mark Volpe</NamePerson>
        <Title>Managing Director</Title>
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        <Officer>X</Officer>
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        <OtherCompensation>62545</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Thomas D May</NamePerson>
        <Title>Chief Financial Officer</Title>
        <AverageHoursPerWeek>40</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>221400</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>70733</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Suzanne Page</NamePerson>
        <Title>Clerk of the Board</Title>
        <AverageHoursPerWeek>40</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>78137</ReportableCompFromOrganization>
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        <OtherCompensation>18646</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Kim Noltemy</NamePerson>
        <Title>Chief Mrktg &amp; Communications Officer</Title>
        <AverageHoursPerWeek>40</AverageHoursPerWeek>
        <KeyEmployee>X</KeyEmployee>
        <ReportableCompFromOrganization>191073</ReportableCompFromOrganization>
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        <OtherCompensation>48859</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Malcolm Lowe</NamePerson>
        <Title>Concertmaster</Title>
        <AverageHoursPerWeek>40</AverageHoursPerWeek>
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        <OtherCompensation>26556</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>John A Ferrillo Jr</NamePerson>
        <Title>Principal Oboe</Title>
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      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>Thomas C Rolfs Jr</NamePerson>
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        <NamePerson>Steven Ansell</NamePerson>
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      </Form990PartVIISectionA>
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        <NamePerson>Elizabeth Rowe</NamePerson>
        <Title>Principal Flute</Title>
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        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>18671</OtherCompensation>
      </Form990PartVIISectionA>
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      <TotalOtherCompensation>391910</TotalOtherCompensation>
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      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Tisbury Tours Inc</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
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            <AddressLine2>Ste 100</AddressLine2>
            <City>White Plains</City>
            <State>NY</State>
            <ZIPCode>10601</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Services of James Taylor</DescriptionOfServices>
        <Compensation>1232971</Compensation>
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      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Isole Inc</BusinessNameLine1>
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        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1032 Country Club Road</AddressLine1>
            <City>Brevard</City>
            <State>NC</State>
            <ZIPCode>28712</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
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        <Compensation>740729</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Opus 3 Artists</BusinessNameLine1>
          </NameBusiness>
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        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>470 Park Avenue</AddressLine1>
            <AddressLine2>9th Floor</AddressLine2>
            <City>New York</City>
            <State>NY</State>
            <ZIPCode>10016</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Guest Artists</DescriptionOfServices>
        <Compensation>442500</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Columbia Artists Management</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1790 Broadway</AddressLine1>
            <City>New York</City>
            <State>NY</State>
            <ZIPCode>10019</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Comms and guest artists</DescriptionOfServices>
        <Compensation>267300</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>Creative Artists Agency</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>3310 West End Ave</AddressLine1>
            <City>Nashville</City>
            <State>TN</State>
            <ZIPCode>37203</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>Guest artists</DescriptionOfServices>
        <Compensation>252500</Compensation>
      </ContractorCompensation>
      <NumberOfContractorsGT100K>20</NumberOfContractorsGT100K>
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      <MembershipDues>0</MembershipDues>
      <FundraisingEvents>2861920</FundraisingEvents>
      <RelatedOrganizations>0</RelatedOrganizations>
      <GovernmentGrants>178510</GovernmentGrants>
      <AllOtherContributions>31636302</AllOtherContributions>
      <NoncashContributions>5375914</NoncashContributions>
      <TotalContributions>34676732</TotalContributions>
      <ProgramServiceRevenue>
        <Description>Concerts &amp; tours</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>34291660</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>34291660</RelatedOrExemptFunctionIncome>
        <UnrelatedBusinessRevenue>0</UnrelatedBusinessRevenue>
        <ExclusionAmount>0</ExclusionAmount>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>Electronic media</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>738507</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>738507</RelatedOrExemptFunctionIncome>
        <UnrelatedBusinessRevenue>0</UnrelatedBusinessRevenue>
        <ExclusionAmount>0</ExclusionAmount>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>Education</Description>
        <BusinessCode>900099</BusinessCode>
        <TotalRevenueColumn>458329</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>458329</RelatedOrExemptFunctionIncome>
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        <ExclusionAmount>0</ExclusionAmount>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>Program advertising</Description>
        <BusinessCode>511190</BusinessCode>
        <TotalRevenueColumn>752445</TotalRevenueColumn>
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        <UnrelatedBusinessRevenue>752445</UnrelatedBusinessRevenue>
        <ExclusionAmount>0</ExclusionAmount>
      </ProgramServiceRevenue>
      <ProgramServiceRevenue>
        <Description>Parking</Description>
        <BusinessCode>900099</BusinessCode>
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        <NoncashContribsRptdF990>27581</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Transportation</Description>
        <NumberOfContributions>3</NumberOfContributions>
        <NoncashContribsRptdF990>230048</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Hotel Rooms</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>294535</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Equipment</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>36509</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Instruments</Description>
        <NumberOfContributions>2</NumberOfContributions>
        <NoncashContribsRptdF990>796100</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Advertisements</Description>
        <NumberOfContributions>1</NumberOfContributions>
        <NoncashContribsRptdF990>15680</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <OtherNonCashContributionsTable>
        <NonCashCheckbox>X</NonCashCheckbox>
        <Description>Miscellaneous</Description>
        <NumberOfContributions>17</NumberOfContributions>
        <NoncashContribsRptdF990>52126</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>Fair Market Value</MethodOfDeterminingRevenues>
      </OtherNonCashContributionsTable>
      <NumberOf8283Received>2</NumberOf8283Received>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>1</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
      <Form990ScheduleMPartII>
        <Identifier>SchM_P01_S00_L00</Identifier>
        <ReturnReference>Schedule M, Part I</ReturnReference>
        <Explanation>Column B responses represent the number of contributions.</Explanation>
      </Form990ScheduleMPartII>
      <Form990ScheduleMPartII>
        <Identifier>SchM_P01_S00_L25</Identifier>
        <ReturnReference>Schedule M, Part I, Lines 25-28</ReturnReference>
        <Explanation>Instruments comprise a Guadagnini violin valued at $756,000, which is used in the performance of the BSO's concerts, and a piano valued at $40,100, which is also used by the BSO.</Explanation>
      </Form990ScheduleMPartII>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="R000011" softwareId="11000129" softwareVersion="v1.00">
      <GeneralExplanation>
        <Identifier>F990_P01_S00_L06</Identifier>
        <ReturnReference>Form 990, Part I, Line 6</ReturnReference>
        <Explanation>Volunteers comprise the 680 members of the Boston Symphony Association of Volunteers (BSAV), who provide a variety of services both at Symphony Hall and Tanglewood. Also included as volunteers are the 315 members of the Tanglewood Festival Chorus (TFC), who donate their time and talent performing year-round with the Boston Symphony Orchestra and the Boston Pops Orchestra. Also included are 34 voting trustees and 216 non-voting members of the governing body.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P06_S0A_L02</Identifier>
        <ReturnReference>Form 990, Part VI, Section A, Line 2</ReturnReference>
        <Explanation>Trustees Vincent M. O'Reilly and Stephen Kay serve on the Board of the Dana-Farber Cancer Institute. The Dana-Farber Cancer Institute employs another trustee, Dr. Robert J. Mayer, MD.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P06_S0A_L08b</Identifier>
        <ReturnReference>Form 990, Part VI, Section A, Line 8b</ReturnReference>
        <Explanation>In general, the Boston Symphony Orchestra (BSO) keeps minutes of all committees with authority to act on behalf of the boards.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P06_S0B_L11b</Identifier>
        <ReturnReference>Form 990, Part VI, Section B, Line 11b</ReturnReference>
        <Explanation>The Form 990 is prepared by BSO management and reviewed by a paid preparer. The complete 990 is then reviewed by the Audit Committee of the Board of Trustees. The Audit Committee reviews each section and schedule of the 990, focusing on key changes and substantive disclosures. Subsequent to this review, a copy of the final draft 990, which is the version to be filed with the IRS, is placed in a password-protected website for all members of the Board of Trustees to review in advance of their next board meeting. All members of the Board of Trustees receive an email notifying them that the Form 990 is available for review on the site. The final 990 is signed by the Chief Financial Officer and the paid preparer.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P06_S0B_L12c</Identifier>
        <ReturnReference>Form 990, Part VI, Section B, Line 12c</ReturnReference>
        <Explanation>The Boston Symphony Orchestra has a Conflict of Interest Policy that encompasses all employees and board members. The policy requires that Trustees, Officers, Overseers, Ex-Officio Board members, members of a committee with board-delegated powers, senior staff members or any person with substantial influence over the BSO to disclose the existence of any potential or actual conflicts of interest to the Board or to members of the Executive Committee. The Board or Executive Committee then discusses and votes in order to determine whether an actual conflict of interest exists. If a conflict exists, the Board or Executive Committee evaluates the particular transaction or arrangement to determine the most reasonable course of action. The individual who disclosed the conflict must leave the Board or Executive Committee meeting during the discussion of, and the vote on, the transaction or arrangement that results in the conflict of interest. Additionally, the policy also requires any staff member that has information about a possible conflict, to report the matter promptly to their supervisor, the Director of Human Resources or to the Chief Financial Officer. The Director of Human Resources and the Chief Financial Officer will review the circumstances of the possible conflict with other appropriate management to make a determination about the most reasonable course of action. A breach of the conflict of interest policy is grounds for disciplinary action, up to and including termination. Additionally, on an annual basis, all Trustees, Officers, Overseers, Ex-Officio Board members, members of a committee with board-delegated powers, senior staff members or any person with substantial influence over the BSO is provided with a copy of the policy and must sign a statement affirming that they have received, read and understand the policy; they must also affirm that they agree to comply with the policy. As part of this Annual Notice of Policy, each individual is also required to disclose any potential or actual conflicts of interest in writing. All responses indicating a potential or actual conflict are subject to review by the Board or the Executive Committee as described above.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P06_S0B_L15</Identifier>
        <ReturnReference>Form 990, Part VI, Section B, Line 15</ReturnReference>
        <Explanation>The BSO has a designated Compensation Committee, comprised of trustees of the BSO, which sets the process for determining and approving compensation for officers and key employees. The Compensation Committee's process includes: (a) development and consideration of comparability data to provide a basis for the Committee's decisions and (b) consideration of the (i) applicable accounting and disclosure rules, (ii) emerging trends in corporate governance, and (iii) standards and guidelines promulgated by the Division of Public Charities of the Massachusetts office of the Attorney General (collectively, the "Compensation Process"). Deliberations of the Compensation Committee in connection with the Compensation Process are contemporaneously documented. When evaluating officers and key employees, the Compensation Committee carefully considers the following factors: (i) duties and responsibilities, (ii) background and experience, (iii) dedication, commitment and work schedule, (iv) leadership, management and professional skills, (v) overall performance and standing, (vi) the BSO's salary scale of employees generally, and (vii) the BSO's annual budget. The Compensation Committee's most recent review of officer and key employee compensation occurred in 2012.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P06_S0C_L19</Identifier>
        <ReturnReference>Form 990, Part VI, Section C, Line 19</ReturnReference>
        <Explanation>The Boston Symphony Orchestra's audited financial statements, conflict of interest policy and other governing documents are available upon request.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P07_S0A_L01b</Identifier>
        <ReturnReference>Form 990, Part VII, Section A, Line 1b</ReturnReference>
        <Explanation>Compensation reported is based on calendar 2011 amounts.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P07_S0B_L01C</Identifier>
        <ReturnReference>Form 990, Part VII, Section B, Line 1(C)</ReturnReference>
        <Explanation>The compensation listed for Opus 3 Artists includes fees for 13 guest artists. Compensation reported is based on calendar 2011 amounts. The compensation listed for Columbia Artists Management comprises commissions totaling $205,100 and fees for 4 guest artists of $62,200. The compensation listed for Creative Artists Agency comprises 5 deposits for guest artists.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>F990_P11_S00_L05</Identifier>
        <ReturnReference>Form 990, Part XI, Line 5</ReturnReference>
        <Explanation>Other changes in net assets or fund balances of ($29,011,807) comprise net unrealized losses on investments of ($11,090,971), change in value of split interest agreements of $1,653,767 and retirement plan related changes other than net periodic benefit costs of ($19,574,603).</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
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      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>The Tent Club</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>301 Massachusetts Avenue</AddressLine1>
          <City>Boston</City>
          <State>MA</State>
          <ZIPCode>02115</ZIPCode>
        </AddressUS>
        <EIN>237255432</EIN>
        <PrimaryActivities>Social club</PrimaryActivities>
        <LegalDomicileState>MA</LegalDomicileState>
        <ExemptCodeSection>501(c)(7)</ExemptCodeSection>
        <DirectControllingEntityName>
          <BusinessNameLine1>BSO</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>1</ControlledOrg>
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      <Form990ScheduleRPartIII>
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          <BusinessNameLine1>263 HA Limited Partnership</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>301 Massachusetts Avenue</AddressLine1>
          <City>Boston</City>
          <State>MA</State>
          <ZIPCode>02115</ZIPCode>
        </AddressUS>
        <PrimaryActivity>Real Estate</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>263 Realty Corporation</BusinessNameLine1>
        </DirectControllingEntityName>
        <PredominantIncomeType>Excluded</PredominantIncomeType>
        <ShareOfTotalIncome>1209753</ShareOfTotalIncome>
        <ShareOfEOYAssets>7805074</ShareOfEOYAssets>
        <DisproportionateAllocations>0</DisproportionateAllocations>
        <GeneralOrManagingPartner>0</GeneralOrManagingPartner>
        <PercentageOwnership>0.99</PercentageOwnership>
      </Form990ScheduleRPartIII>
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>263 Realty Corporation</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>301 Massachusetts Avenue</AddressLine1>
          <City>Boston</City>
          <State>MA</State>
          <ZIPCode>02115</ZIPCode>
        </AddressUS>
        <PrimaryActivity>Real Estate</PrimaryActivity>
        <LegalDomicileState>MA</LegalDomicileState>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <TypeOfEntity>C</TypeOfEntity>
        <ShareOfTotalIncome>9710</ShareOfTotalIncome>
        <ShareOfEOYAssets>42905</ShareOfEOYAssets>
        <PercentageOwnership>1</PercentageOwnership>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>1</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>1</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>1</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>0</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>1</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
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          <BusinessNameLine1>263 HA Limited Partnership</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>j</TransactionType>
        <AmountInvolved>309141</AmountInvolved>
        <MethodOfAmtDetermination>Fair Market</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>263 HA Limited Partnership</BusinessNameLine1>
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        <TransactionType>r</TransactionType>
        <AmountInvolved>1137161</AmountInvolved>
        <MethodOfAmtDetermination>Actual partnership distribution</MethodOfAmtDetermination>
      </TransactionsRelatedOrgsTable>
      <Form990ScheduleRPartVII>
        <Identifier>SchR_P02_S00_L00</Identifier>
        <ReturnReference>Schedule R, Part II</ReturnReference>
        <Explanation>The Tent Club was dissolved effective April 4, 2012 and a final tax return was filed.</Explanation>
      </Form990ScheduleRPartVII>
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</Return>