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      <Desc>Orchestra Music Programs: The BSO's two beloved orchestral ensembles-the Boston Symphony and Boston Pops-offered 110 live concerts in Boston, which were enjoyed by 235,086 audience members. The BSO's online and radio broadcasts touched more than 18 million people. Internationally recognized as one of the finest orchestras, the BSO is one of the largest orchestral organizations in the world as measured by scope of its operations. Within the U.S., it is the fourth-largest performing arts institution. From September 2019 through mid-March 2020, the BSO presented 66 symphony and 40 Holiday Boston Pops Symphony Hall concerts to the delight of 235,086 audience members. Of those, 14,206 were college students, 1072 received a significant discount having qualified for public assistance, and 6681 were young adults. During that period, the BSO's Education and Community Engagement programs removed barriers so 14,504 people of all ages and backgrounds experienced symphonic music in Symphony Hall and around Greater Boston. The BSO offered 19 free community concerts, including the Symphony Hall Concert for Our City in February conducted by Thomas Wilkins. The BSO's Holiday Pops Sensory Friendly Concert, specifically designed for individuals and families affected by autism, was attended by 1,178 people, whose response was immediate and heartfelt. On March 11, 2020, the World Health Organization declared the outbreak of the coronavirus (COVID-19) a pandemic. The last live performance given in Symphony Hall was a morning Youth Concert on March 12, 2020 with about 165 students in attendance. On March 15, the Boston Public Health Commission (BPHC) declared a public health emergency in the City of Boston due to the pandemic. In response to these events, the Orchestra has, among other things, taken significant action to reduce costs and embarked on a major fundraising effort to ensure sufficient liquidity. Between March and June, the BSO produced 160 video and audio streams that were viewed more than 2.4 million times on bso.org and social media. A highlight was the Boston Pops performance of a socially distanced rendition of John Williams' Summon the Heroes in tribute to frontline workers. The video was seen more than 480,000 times and Boston Magazine named it "the best musical moment of 2020." BSO at Home and Pops at Home featured videos of individual musicians sharing music and their experience. 14 musicians created personalized Notes of Appreciation for health care workers that were distributed over nine weeks to six major hospitals, two hospital networks, and one COVID field facility received a secure link to a personalized music video that they shared with their staff and patients in their own way. The Tanglewood 2020 Online Festival recreated the Tanglewood experience through a mix of 82 free archival offerings, paid access to exclusive new recitals by BSO musicians and guest artists who recorded at Tanglewood or at venues around the world, as well as Tanglewood Learning Institute programs. The Festival programs were seen 40,291 times by 10,500 households. Viewers came from 75 countries on six continents.</Desc>
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        <Desc>Education and Community Programs:Education and community programs are integral to the BSO's mission. Tanglewood Music Center (TMC) Online created weekly spaces where 140 talented young musicians began to build relationships with the members of the Boston Symphony, mentors, and other Fellows, giving them a taste of what TMC can be. The robust program offered more than 100 exchange meetings, spotlight sessions, master classes, broadcasts, and seminars. While no substitute for rehearsing and performing for a live audience, the Fellows who were geographically dispersed benefited from studying with faculty and mentors and from a wide range of special programs. During the fall/winter season, Tanglewood Learning Institute offered its first (and the BSO's first) year-round programming in the Berkshires. TLI programs included performances and opportunities to explore context and meaning using interdisciplinary approaches. 1,766 people attended 30 events. During the 2020 Tanglewood Online Festival, TLI offered four series: MasterPass: masterclasses with leading artists with TMC Fellows, Boston University Tanglewood Institute students and members of the Tanglewood Festival Chorus. ShopTalks: conversations featured notable artists. TLI Celebrates Beethoven: video presentations and discussions with leading Beethoven scholars celebrated the 250th anniversary of Beethoven's birth; and TLIOpenForum: video presentations and panel discussions explored the intersections between music and other disciplines. Education and Community Engagement: In addition to the live activities noted above, in March, the BSO launched BSO Home School. Every week for 14 weeks, more than 2,200 music teachers and parents received an email with links to wide-ranging high-quality music instruction. The music activities on BSO.org were viewed 68,000 times and found an even broader audience on YouTube, where the BSO's videos were viewed more than 200,000 times. BSO Home School offered 83 educational modules that included 25 lesson plans linked to BSO concerts that were available online, 27 musician tutorials, and 31 videos that provided a range of entry points. During the summer, the BSO worked with WBUR to develop several audio episodes of the Circle Round season featuring BSO musicians. These radio plays were downloaded an extraordinary 400,000 times. Weekly activities were offered for children and families to explore the repertoire offered as part of the Online Tanglewood festival and a special Family Fun Fest highlighted 14 cultural organizations in the Berkshires. These programs were available for free.</Desc>
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        <Desc>Historic Preservation and Conservation and Facility Rental: The BSO's two main properties, Symphony Hall and Tanglewood, have long and significant histories and both attract visitors from near and far. Symphony Hall's acoustic qualities have earned it a place among the top three concert auditoriums in the world, a fact underscored by the hall's 1999 designation as a National Historic Landmark. Symphony Hall resonates with more than a century of performances by key artists. It is also a key performance venue for a number of ensembles and presenters, including the Handel and Haydn Society, the Celebrity Series of Boston, and the Boston Youth Symphony Orchestra. The hall has a 2625 seat capacity. Located in the Berkshire hills of Lenox, Massachusetts and established in 1936 by then-Music Director Serge Koussevitzky, Tanglewood is the summer home of the BSO. Its performance venues-Koussevitzky Music Shed, Seiji Ozawa Concert Hall, and Linde Center-and 80 ancillary buildings are located on 526 pastoral acres in the Berkshire hills in western Massachusetts. This summer, the grounds were open for specific days and times for visitors to walk and enjoy. Built in 1938, the Koussevitzky Music Shed is a seasonal hall open on three sides with 5,121 seats and additional seating for more than 10,000 on the surrounding lawn. BSO concerts are performed in the shed. Opened in 1994, Seiji Ozawa Hall is a brick and wood structure that provides a venue for chamber music performances and serves as the headquarters of the Tanglewood Music Center. It seats 750 audience members on the orchestra level and an additional 450 in the two balconies, as well as hundreds more on the lawn.</Desc>
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        <Desc>Electronic Media: As a result the coronavirus pandemic, the BSO was not able to produce performances before a live audience. This was a year when the BSO's digital presence expanded dramatically. The BSO reaches millions who listen via recordings, radio broadcasts, and digital media. Local broadcasts of BSO concerts were heard on 99.5 Classical New England (a subsidiary of public radio station WGBH) and were available to stream via the WGBH website. During the summer, WAMC Northeast Public Radio re-broadcast archival performances on Sunday afternoons reaching audiences across seven mid-Atlantic and New England states and WMHT (public radio out of Schenectady, NY) offered a weekly broadcast featuring TMC. Beginning in March, the BSO's online engagement broadened exponentially. Between March and July, the combined website visitors, video views, emails opened, social media impressions, and audio listens grew to 18.1 million-a 1455% increase from pre-pandemic levels of online engagement.</Desc>
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        <PersonNm>William F Achtmeyer</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Noubar Afeyan</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>David Altshuler</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Gregory E Bulger</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Holly Ambler</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>William N Booth</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ronald G Casty</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Susan Bredhoff Cohen</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Richard F Connolly Jr</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Cynthia Curme</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>William Curry MD</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Alan J Dworsky</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Phillip J Edmundson</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Thomas E Faust Jr</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Todd R Golub</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Michael Gordon</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Nathan Hayward III</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ricki Tigert Helfer</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Brent L Henry</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Albert A Holman III</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Barbara W Hostetter</PersonNm>
        <TitleTxt>Chair-Elect</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Giselle J Joffre</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephen Kay</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Edmund Kelly</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephen W Kidder</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeffrey Leiden MD PhD</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Joyce G Linde</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John M Loder</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Nancy K Lubin</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Joshua A Lutzker</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Carmine A Martignetti</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Robert J Mayer MD</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Susan W Paine</PersonNm>
        <TitleTxt>Chair</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Peter Palandjian</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Pamela L Peedin</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Steven R Perles</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lina S Plantilla MD</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Arthur I Segel</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Wendy Shattuck</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Nicole M Stata</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Theresa M Stone</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Caroline Taylor</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Dr Christoph Westphal</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>D Brooks Zug</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>2</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>2991571</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>339263</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>158</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>Andris Nelsons</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>Konzertdirektion Schmid</AddressLine1Txt>
            <AddressLine2Txt>40 St Martins Lane</AddressLine2Txt>
            <CityNm>London</CityNm>
            <ProvinceOrStateNm>UK</ProvinceOrStateNm>
            <CountryCd>UK</CountryCd>
            <ForeignPostalCd>WC2N 4ER</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>Services of A. Nelsons</ServicesDesc>
        <CompensationAmt>810000</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Universal Protection Service LP</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 828854</AddressLine1Txt>
            <CityNm>Philadelphia</CityNm>
            <StateAbbreviationCd>PA</StateAbbreviationCd>
            <ZIPCd>19182</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Contracted security</ServicesDesc>
        <CompensationAmt>569392</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Creative Artists Agency</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
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      <ContractorCompensationGrp>
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      <ProgramServiceRevenueGrp>
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        <PersonNm>Thomas C Rolfs Jr</PersonNm>
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        <PersonNm>Elizabeth Rowe</PersonNm>
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        <FormAndLineReferenceDesc>Schedule J, Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>In connection with the business needs of the Boston Symphony Orchestra (BSO), charter travel is used when transporting large number of personnel in connection with the Orchestra's touring. As a general rule. the BSO does not provide first class travel for employees. 2) In rare instances, the CEO and President's spouse may travel with him for donor cultivation and fundraising purposes. Events attended are related to business purposes of the BSO. Such travel is entered into and substantiated in accordance with the spousal travel policy adopted by the BSO. 3) Housing for Mark Volpe, CEO and President, is provided during the summer for the convenience of the BSO in connection with the Orchestra's activities away from Boston at Tanglewood, and is not considered taxable.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Schedule J, Part I, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The compensation reported for Mark Volpe, CEO and President, for calendar year 2019 includes Base Compensation of $637,687. Other Reportable Compensation includes, 1) taxable fringe in the amount of $23,833 mainly for life and disability insurance and for personal use of a vehicle provided by the BSO; 2) contributions of $19,000 made by Mr. Volpe into a 457(b) plan; and 3) a payment of $316,458 which represents the current year obligation related to a retirement compensation plan established for Mr. Volpe in fiscal year 2007 in recognition of his 10 years of outstanding service to the BSO. As amended in 2013, the plan is to provide Mr. Volpe an annual retirement benefit at age 60 equal to approximately 50% of the average compensation earned during his last 5 years of employment. An irrevocable portion of this benefit is accrued and paid each year that he is employed.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part I, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Volunteers comprise the 153 members of the Boston Symphony Association of volunteers (BSAV), who provide a variety of services both at Symphony Hall and Tanglewood; 44 voting trustees and 224 non-voting members of the governing body.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>Trustee Stephan Kay serves on the Board of the Dana-Farber Cancer Institute. The Dana-Farber Cancer Institute employs another trustee, Dr. Robert J. Mayer, MD.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>The bylaws were revised, effective January 22, 2020. The main goals of the revision included: 1) The Trustees Board Chair-Elect, in any, shall be an ex-officio, non-voting member of the Executive Committee; and 2) Increasing the number of the voting members to the Executive Committee.</ExplanationTxt>
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        <ExplanationTxt>The Form 990 is prepared by BSO management and reviewed by a paid preparer. The complete 990 is then reviewed by the Audit, Risk, and Compliance Committee of the Board of Trustees. The Audit, Risk, and Compliance 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 Form 990 is available for review on the site. The final 990 is signed by the Chief Financial Officer and the paid preparer.</ExplanationTxt>
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        <ExplanationTxt>The Boston Symphony Orchestra has a Conflict of Interest Policy that encompasses all employees and board members. The policy requires that Trustees, Officers, Advisors, Ex-Officio board members, members of a committee with board-delegated powers, senior staff members or any other person with substantial influence over the BSO disclose the existence of any potential or actual conflicts of interest to the Board or to the Executive Committee. The Board or Executive Committee then discusses and votes 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 his or her supervisor, the Director of Human Resources, or 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 the 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, Advisors, 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 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 Executive Committee as described above.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>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 the bases for the Committee's decisions and (b) consideration of (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) 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 2020.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Boston Symphony Orchestra's audited financial statements, conflict of interest policy and other governing documents are available upon request.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VII, Section A, Line 1b</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation reported is based on the calendar year 2019 amounts.</ExplanationTxt>
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        <ExplanationTxt>Compensation reported is based on calendar year 2019 results.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part IX, Line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>Comprises of $6,461,525 of artistic and other concert related fees.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>Other changes in net assets or fund balances of ($3,509,736) comprise of the change in value of split interest of (716,613) and retirement plan-related charges and other than net periodic benefit costs of ($2,793,123).</ExplanationTxt>
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