Listen to Piano Concerto No. 2, Op. 83: I. Allegro non troppo online. Piano Concerto No. 2, Op. 83: I. Allegro non troppo is an Instrumental language song and is sung by Sviatoslav Richter, Kirill Kondrashin, Moscow Philharmonic Symphony Orchestra and Moscow Philharmonic Symphony Orchestra. Piano Concerto No. 2, Op. 83: I. Allegro non troppo, from the album Sviatoslav Richter 100, Volume 5 (Live), was released in the year 2015. The duration of the song is 17:10. Download Instrumental songs online from JioSaavn.