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,
Boston Symphony Orchestra show tunes. Arthur Fiedler was the conductor who did the most to increase the fame of the Boston Pops over his tenure from 1930 to 1979. Film composer John Williams succeeded Fiedler as the conductor of the Pops from 1980 to 1993. Since 1995, the conductor of the Boston Pops has been Keith Lockhart. The Boston Symphony Chamber Players were launched in 1964. Today they are the only chamber ensemble composed of principal players from an American symphony orchestra. In addition to regular performances in Boston and Tanglewood, they have performed throughout the United States and Europe. They have also