Schubert: Sonata No. 20, Allegretto in C Minor, Impromtu in A-Flat Major is and Instrumental album released in 1972. There are a total of 6 songs in Schubert: Sonata No. 20, Allegretto in C Minor, Impromtu in A-Flat Major. The songs were composed by Elisabeth Leonskaja, a talented musician. Listen to all of Schubert: Sonata No. 20, Allegretto in C Minor, Impromtu in A-Flat Major online on JioSaavn.