Listen to Sonata in A Major, Wf XIII/1: II. Rondo - Allegretto online. Sonata in A Major, Wf XIII/1: II. Rondo - Allegretto is an Instrumental language song and is sung by Viktoria Postnikova and Gennady Rozhdestvensky. Sonata in A Major, Wf XIII/1: II. Rondo - Allegretto, from the album Viktoria Postnikova & Gennady Rozhdestvensky. Piano Ensembles, was released in the year 2019. The duration of the song is 3:44. Download Instrumental songs online from JioSaavn.