Listen to Violin Sonata: I. Allegretto online. Violin Sonata: I. Allegretto is an English language song and is sung by Tatsuo Nishie and Giuseppe Andaloro. Violin Sonata: I. Allegretto, from the album Kapustin: Violin Sonata, was released in the year 2014. The duration of the song is 8:35. Download English songs online from JioSaavn.