What music piece was composed by a Russian composer and pianist?
String Quartet No. 12 (Shostakovich): Dmitri Shostakovich's String Quartet No. 12 in D-flat major (Op. 133) was composed in 1968. Dmitri Shostakovich: Dmitri Dmitriyevich Shostakovich (Russian: Dmitriy Dmitrievich Shostakovich , ] ; 25 September [O.S. 12 September] 1906 9 August 1975) was a Russian composer and pianist.
String Quartet No. 12