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,
Lahti Symphony Orchestra principal conductor. In August 2015, the orchestra announced the appointment of Dima Slobodeniouk as its next principal conductor, effective in the autumn of 2016, with an initial contract of 3 seasons. In April 2018, the orchestra announced the extension of Slobodeniouk's contract with the orchestra through 31 July 2021. Kalevi Aho was appointed composer-in-residence for the orchestra in 1992, and the orchestra has recorded many of his recent works. Lahti Symphony Orchestra The Lahti Symphony Orchestra ("Sinfonia Lahti") is a Finnish orchestra, based in the city of Lahti. The orchestra is resident at the Sibelius Hall. The orchestra was founded