Violinist Kolja Blacher, with appearances on six past phil.harmonie releases, returns for the seventh time with two works by the 20th c. Russian master Dmitri Shostakovich. Together with a cellist, pianist and three percussionists, the sextet offer interpretations of Shostakovich’s Symphony No. 15 and the Suite für varieté-orchester, in both cases realized for these forces by Viktor Derevianko (Symphony) and Oriol Cruixent (Suite). Mr. Blacher, a Berlin native, has pursued a busy and diverse career since his debut with the Berlin Philharmonic in 1988.