Tanglewood summer since, except for the interval 1942–45 when the Trustees canceled the concerts and summer school due to World War II. The Shed was renovated in 1959 with acoustic designs by BBN Technologies. In 1986 the BSO acquired the adjacent Highwood estate, increasing the property area by about 40%. Seiji Ozawa Hall (1994) was built on this newly expanded property. Leonard Bernstein conducted the Boston Symphony at Tanglewood in August 1990 in what proved to be his very last concert. Deutsche Grammophon released a live recording of the concert on CD. In addition to hosting world-renowned programs of classical, jazz,
Tanglewood Festival Chorus Classical Album in the nominations announced on December 2, 2009, and won the award for Best Orchestral Performance on January 31, 2010. In 2010, BSO Classics released "Tanglewood Festival Chorus: 40th Anniversary", a collection of the group's unaccompanied recordings from its Tanglewood Prelude performances between 1998 and 2005. Tanglewood Festival Chorus The Tanglewood Festival Chorus, directed by James Burton, is a chorus which performs with the Boston Symphony Orchestra and Boston Pops in major choral works. The Tanglewood Festival Chorus (TFC) was organized in the spring of 1970, when founding conductor John Oliver became director of vocal and choral activities