Listen to Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non troppo online. Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non troppo is an English language song and is sung by Vienna Radio Symphony Orchestra. Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non troppo, from the album The Most Essential Classical Music for Your Baby, was released in the year 2008. The duration of the song is 4:32. Download English songs online from JioSaavn.