Listen to Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": I. Allegro online. Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": I. Allegro is an English language song and is sung by Claudio Arrau. Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": I. Allegro, from the album Classical Music for Study and Relaxation (Straight A's Concentration Focus), was released in the year 2014. The duration of the song is 10:25. Download English songs online from JioSaavn.