Listen to Sonata for Two Pianos, JB 1/47 online. Sonata for Two Pianos, JB 1/47 is an Instrumental language song and is sung by Viktoria Postnikova and Gennady Rozhdestvensky. Sonata for Two Pianos, JB 1/47, from the album Viktoria Postnikova & Gennady Rozhdestvensky. Piano Ensembles, was released in the year 2019. The duration of the song is 12:02. Download Instrumental songs online from JioSaavn.