Listen to Piano Sonata No. 2 in F Major, K. 280: I. Allegro Assai online. Piano Sonata No. 2 in F Major, K. 280: I. Allegro Assai is an English language song and is sung by Carmen Piazzini. Piano Sonata No. 2 in F Major, K. 280: I. Allegro Assai, from the album Classical Mozart 3, was released in the year 2018. The duration of the song is 4:32. Download English songs online from JioSaavn.