Explore the chamber music of the enigmatic Soviet-era composer, Dmitri Shostakovich, including his final work, the Viola Sonata, his second piano trio, and a selection of his 24 Preludes for piano, arranged for cello and piano by living composer, Lera Auerbach.  Matthew Zerweck, violin; Emily Freudigman, viola; Ken Freudigman, cello; Viktor Valkov, piano