Listen to Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro online. Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro is an English language song and is sung by Northern String Quartet. Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro, from the album 100 Mellow Classics for Relaxation, was released in the year 2014. The duration of the song is 3:37. Download English songs online from JioSaavn.