Listen to Piano Concerto No. 2 in B-Flat, Op. 83: II. Allegro appassionato online. Piano Concerto No. 2 in B-Flat, Op. 83: II. Allegro appassionato is an English language song and is sung by London Symphony Orchestra, Gina Bachauer and Stanislaw Skrowaczewski. Piano Concerto No. 2 in B-Flat, Op. 83: II. Allegro appassionato, from the album Classical Meditation & Relaxation, was released in the year 2014. The duration of the song is 8:29. Download English songs online from JioSaavn.