Listen to Piano Sonata No. 23 in F Minor, "Appassionata": I. Allegro Assai online. Piano Sonata No. 23 in F Minor, "Appassionata": I. Allegro Assai is an English language song and is sung by Richard Lawrence. Piano Sonata No. 23 in F Minor, "Appassionata": I. Allegro Assai, from the album The Piano, for Orchestra, was released in the year 2012. The duration of the song is 10:03. Download English songs online from JioSaavn.