Listen to Symphony No. 40 In G Minor, KV 550: IV. Allegro Assai online. Symphony No. 40 In G Minor, KV 550: IV. Allegro Assai is an English language song and is sung by Moscow RTV Symphony Orchestra and Yevgeni Svetlanov. Symphony No. 40 In G Minor, KV 550: IV. Allegro Assai, from the album Mozart Symphonies 38, 40 & 41, was released in the year 2010. The duration of the song is 4:44. Download English songs online from JioSaavn.