Listen to Keyboard Concerto No. 7 in G Minor, BWV 1058: III. Allegro assai online. Keyboard Concerto No. 7 in G Minor, BWV 1058: III. Allegro assai is an Instrumental language song and is sung by Tatiana Nikolayeva, Saulius Sondeckis and Lithuanian Chamber Orchestra. Keyboard Concerto No. 7 in G Minor, BWV 1058: III. Allegro assai, from the album Bach: Twelve Keyboard Concertos (Live), was released in the year 1976. The duration of the song is 4:02. Download Instrumental songs online from JioSaavn.