Listen to Sonata in G Minor for Flute and Harpsichord, BWV 1020: I. Allegro online. Sonata in G Minor for Flute and Harpsichord, BWV 1020: I. Allegro is an English language song and is sung by Ilton Wjuniski and Michael Faust. Sonata in G Minor for Flute and Harpsichord, BWV 1020: I. Allegro, from the album Bach & Mozart: Sonatas for Flute and Harpsichord, Vol. 2, was released in the year 1992. The duration of the song is 4:03. Download English songs online from JioSaavn.