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. 4 (Chávez) Symphony No. 4 (Chávez) Symphony No. 4, subtitled "Sinfonía romántica" (Romantic Symphony) is an orchestral composition by Carlos Chávez, composed in 1953. The score was commissioned by and is dedicated to the Louisville Orchestra, which premiered the work on 11 February 1953, conducted by the composer. After the first few performances, Chávez decided that the final movement, though sound in itself, was not satisfactory as a conclusion to this symphony. Consequently, he composed a new finale in October 1953, and published the original movement as a separate work, titled "Baile (cuadro sinfónico)" (Dance, Symphonic Picture) . The Symphony is scored