Listen to Piano Quartet No. 2 in G Minor, Op. 45: II. Allegro Molto online. Piano Quartet No. 2 in G Minor, Op. 45: II. Allegro Molto is an English language song and is sung by Maurice Vieux, Pierre Fournier, Marguerite Long and Jacques Thibaud. Piano Quartet No. 2 in G Minor, Op. 45: II. Allegro Molto, from the album Piano Music for Relaxation, was released in the year 2013. The duration of the song is 3:10. Download English songs online from JioSaavn.