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,
Brockton Symphony Orchestra Beth Denisch's "Golden Fanfare" (1998), and Thomas Oboe Lee's "Sounds of The Islands" (2005). Chairman of the Executive Board is Torben Hansen, and the orchestra's Concert Manager is Branden Quental. The BrSO's musical leadership comprises Musical Director James Orent, a frequent guest conductor and violinist for the Boston Pops and Boston Symphony Orchestra; Assistant Conductor Emilian Badea, who holds a DMA from Boston University and has been a bassoonist with the orchestra since 1989; and concertmistress Kristina Nilsson, co-founder of Boston's Pro Arte Chamber Orchestra. Clarinetist and conductor Jonathan Cohler served as the orchestra's Musical Director from 1996 to 2006.