Listen to Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto online. Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto is an English language song and is sung by Bamberg Philharmonic Orchestra and Hans Swarowsky. Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto, from the album Clash of the Composers: Johann Sebastian Bach vs. Joseph Haydn, was released in the year 2015. The duration of the song is 5:46. Download English songs online from JioSaavn.