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 Instrumental language song and is sung by David Oistrakh, Kirill Kondrashin and Moscow Philharmonic Symphony Orchestra. Violin Concerto No. 1 in B-Flat Major, K. 207: I. Allegro moderato, from the album Bach & Mozart: Concertos for Violin, was released in the year 2020. The duration of the song is 7:24. Download Instrumental songs online from JioSaavn.