Listen to Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro online. Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro is an Instrumental language song and is sung by Igor Oistrakh and Moscow Philharmonic Chamber Orchestra. Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro, from the album Classic Melodies for Future Mothers and Babies, was released in the year 2007. The duration of the song is 7:43. Download Instrumental songs online from JioSaavn.