Listen to Flute Sonata in G Minor, BWV 1020: II. Adagio online. Flute Sonata in G Minor, BWV 1020: II. Adagio is an English language song and is sung by Robert Hairgrove and Alexandre Magnin. Flute Sonata in G Minor, BWV 1020: II. Adagio, from the album Bach: Flute Sonatas, BWV 1020 / BWV 1030 / BWV 1031 / BWV 1032, was released in the year 2013. The duration of the song is 3:02. Download English songs online from JioSaavn.