Listen to Piano Sonata No. 1 in C Major, K. 279: III. Allegro online. Piano Sonata No. 1 in C Major, K. 279: III. Allegro is an English language song and is sung by Carmen Piazzini. Piano Sonata No. 1 in C Major, K. 279: III. Allegro, from the album Classical Mozart 3, was released in the year 2018. The duration of the song is 3:28. Download English songs online from JioSaavn.