Listen to Violin Concerto No. 1 in B-Flat Major, K. 207: I. Allegro moderato online. Violin Concerto No. 1 in B-Flat Major, K. 207: I. Allegro moderato is an English language song and is sung by Fabio Biondi/Europa Galante. Violin Concerto No. 1 in B-Flat Major, K. 207: I. Allegro moderato, from the album Mozart Violin Concertos 1,2 & 3, was released in the year 2006. The duration of the song is 6:22. Download English songs online from JioSaavn.