Listen to Mozart: Sonata for Keyboard and Violin in C Major, K. 14: II. Allegro online. Mozart: Sonata for Keyboard and Violin in C Major, K. 14: II. Allegro is an Unknown language song and is sung by Gérard Poulet and Blandine Verlet. Mozart: Sonata for Keyboard and Violin in C Major, K. 14: II. Allegro, from the album Quartet: Music by Mozart, was released in the year 2025. The duration of the song is 2:38. Download Unknown songs online from JioSaavn.