Listen to Sonata for Violin and Piano, Op. 134: II. Allegretto online. Sonata for Violin and Piano, Op. 134: II. Allegretto is an Instrumental language song and is sung by Oleg Kagan and Sviatoslav Richter. Sonata for Violin and Piano, Op. 134: II. Allegretto, from the album Shostakovich: Violin Sonata, Op. 134 & Viola Sonata, Op. 147, was released in the year 2004. The duration of the song is 7:00. Download Instrumental songs online from JioSaavn.