Listen to J.S. Bach: Brandenburg Concerto No.6 in B flat, BWV 1051 - 2. Adagio ma non tanto online. J.S. Bach: Brandenburg Concerto No.6 in B flat, BWV 1051 - 2. Adagio ma non tanto is an Unknown language song and is sung by The English Concert and Trevor Pinnock. J.S. Bach: Brandenburg Concerto No.6 in B flat, BWV 1051 - 2. Adagio ma non tanto, from the album Bach Autumn Study Vibes, was released in the year 2020. The duration of the song is 5:20. Download Unknown songs online from JioSaavn.