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 Exam Study Music Academy. Piano Sonata No. 2 in F Major, K. 280: I. Allegro assai, from the album Ready & Study – Classic Music for Learning, Study, Improve Concentration, Various Composers, was released in the year 2017. The duration of the song is 3:23. Download English songs online from JioSaavn.