Listen to Sonata for Clarinet and Piano, Op. 28: 2. Allegretto online. Sonata for Clarinet and Piano, Op. 28: 2. Allegretto is an Instrumental language song and is sung by Evgeny Petrov and Mikhail Petukhov. Sonata for Clarinet and Piano, Op. 28: 2. Allegretto, from the album Prokofiev. Weinberg. Petukhov. Works for Clarinet, was released in the year 2015. The duration of the song is 6:58. Download Instrumental songs online from JioSaavn.