Listen to Cello Concerto No. 2, Op. 103: I. Allegretto online. Cello Concerto No. 2, Op. 103: I. Allegretto is an Instrumental language song and is sung by Alexander Zagorinsky, Alexander Loskutov and Chamber Orchestra of the Vologda Philharmonic Society. Cello Concerto No. 2, Op. 103: I. Allegretto, from the album Schumann, Elgar, Kapustin, was released in the year 2017. The duration of the song is 9:16. Download Instrumental songs online from JioSaavn.