Listen to Harpsichord Concerto No. 9 in G Major, BWV 980: III. Allegro online. Harpsichord Concerto No. 9 in G Major, BWV 980: III. Allegro is an English language song and is sung by Zuzana Ruzickova. Harpsichord Concerto No. 9 in G Major, BWV 980: III. Allegro, from the album Bach: The Complete Keyboard Works, was released in the year 2016. The duration of the song is 4:28. Download English songs online from JioSaavn.