Listen to Brandenburg Concerto No. 6 In B Flat, BWV 1051: II. Adagio Ma Non Tanto online. Brandenburg Concerto No. 6 In B Flat, BWV 1051: II. Adagio Ma Non Tanto is an English language song and is sung by Philharmonia Slavonica. Brandenburg Concerto No. 6 In B Flat, BWV 1051: II. Adagio Ma Non Tanto, from the album Bach: Conciertos de Brandenburgo No. 1 a 6, was released in the year 1995. The duration of the song is 4:32. Download English songs online from JioSaavn.