Listen to Violin Sonata in B-Flat Major, K. 15: II. Allegro grazioso online. Violin Sonata in B-Flat Major, K. 15: II. Allegro grazioso is an English language song and is sung by Gabriel Fumet and Jean-Paul Imbert. Violin Sonata in B-Flat Major, K. 15: II. Allegro grazioso, from the album Bach - Telemann - Mozart - Fauré: Works for Flute, was released in the year 2021. The duration of the song is 2:51. Download English songs online from JioSaavn.