Listen to III. Allegro assai - 1 online. III. Allegro assai - 1 is an English language song and is sung by Kammerorchester Mainz, Günter Kehr and Susanne Lautenbacher. III. Allegro assai - 1, from the album 66 Bach Masterpieces, was released in the year 2011. The duration of the song is 3:05. Download English songs online from JioSaavn.