Listen to Piano Sonata No. 3 in B Major, K. 281: III. Rondo. Allegro online. Piano Sonata No. 3 in B Major, K. 281: III. Rondo. Allegro is an English language song and is sung by Carmen Piazzini. Piano Sonata No. 3 in B Major, K. 281: III. Rondo. Allegro, from the album Classical Mozart 3, was released in the year 2018. The duration of the song is 4:44. Download English songs online from JioSaavn.