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,
CBC Symphony Orchestra Violinist Albert Pratz was concertmaster of the orchestra from 1953-1961. The CBCSO played weekly broadcasts on CBC Radio and also made frequent appearances on CBC Television. The orchestra performed internationally, including a tour in London, England, and a performance at the Inter-American Music Festival in 1961. Many of its performances were recorded by Radio Canada International and distributed outside Canada. The orchestra recorded with the Mendelssohn Choir, with CBC's Festival Singers, and with pianist Glenn Gould. The CBCSO performed and recorded many of the works of composer/conductor Igor Stravinsky, including his "Symphony of Palms", which featured Stravinsky as conductor and