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,
Pittsburgh Symphony Orchestra Martindale Williams around 1979. In 1981, Previn renewed his contract with the symphony orchestra. During this time, Victoria Bond served as affiliate conductor of the Pittsburgh Symphony Orchestra from 1978 to 1980. Bond was the first woman to earn a doctoral degree in orchestral conducting from the Juilliard School and is a prolific composer. While at the Pittsburgh Symphony, she also served as the music director of the Pittsburgh Youth Symphony and the New Amsterdam Symphony in New York City. Previn often brought jazz to the concert hall. In February 1977, the Pittsburgh Symphony Orchestra and Previn made their national