Listen to Triple Concerto in C Major, Op. 56: I. Allegro online. Triple Concerto in C Major, Op. 56: I. Allegro is an Instrumental language song and is sung by Sviatoslav Richter, David Oistrakh, Mstislav Rostropovich, Kirill Kondrashin and Moscow Philharmonic Symphony Orchestra. Triple Concerto in C Major, Op. 56: I. Allegro, from the album Beethoven: Piano Concertos, was released in the year 2020. The duration of the song is 17:21. Download Instrumental songs online from JioSaavn.