Every five years the Soviet Union celebrated the anniversary of the October 1917 Revolution with large-scale public events, to which the country's leading artists were expected to contribute. Mieczyslaw Weinberg, like his friend Shostakovich, enjoyed mixed fortunes with his efforts. The symphonic poem Dawn (Zarya), Op. 60, dedicated to the fortieth anniversary of the Revolution, seems to have remained unperformed during his lifetime, despite it's ideologically irreproachable content. It's première was finally given in the BBC studios in Manchester, on 15 May 2019, by the BBC Philharmonic under John Storgårds. When Shostakovich died, on 9 August 1975, it had been five years since Weinberg composed his last symphony. To commemorate his friend and mentor (whom he regarded as the greatest symphonist of his age) Weinberg decided on a full-scale, four movement, non-programmatic work as his personal tribute. Symphony No. 12, written between December 1975 and February 1976 is the longest of Weinberg's purely instrumental symphonies. Kirill Kondrashin was due to conduct the première, but his last-minute insistence on large-scale cuts and changes to the score was taken by Weinberg as a great insult, and ended their relationship. The first performance was finally given as a radio broadcast on 13 October 1979, (probably) by the USSR TV and Radio Symphony Orchestra under Maxim Shostakovich.