Symphony No. 12 (Shostakovich) Symphony No. 12 (Shostakovich) Dmitri Shostakovich composed his Symphony No. 12 in D minor, Op. 112, subtitled "The Year of 1917", in 1961, dedicating it to the memory of Vladimir Lenin, leader of the Bolshevik Revolution, as he did for his Symphony No. 2. The symphony was premiered that October by the Leningrad Philharmonic Orchestra under conductor Yevgeny Mravinsky. This was also the last Shostakovich symphony which Mravinsky premiered; his refusal to give the first performance of the Thirteenth Symphony, "Babi Yar", caused a permanent strain in their working relationship. The symphony, which is scored for medium-size orchestra, runs approximately
Symphony No. 11 (Villa-Lobos) Symphony No. 11 (Villa-Lobos) Symphony No. 11 is a composition by the Brazilian composer Heitor Villa-Lobos, written in 1955. A performance lasts about twenty-five minutes. On 29 October 1954, along with a number of other prominent composers, Villa-Lobos was commissioned jointly by the Koussevitzky Music Foundation in the Library of Congress and the Boston Symphony Orchestra for a work to celebrate that orchestra's 75th anniversary. In response, he composed his Eleventh Symphony, which was completed in 1955 . The autograph manuscript of the score, held by the Library of Congress, Washington, DC, is dedicated to Serge and Natalie Koussevitzky. The