Listen to Symphony No. 40 in G Minor, K. 550: I. Allegro molto online. Symphony No. 40 in G Minor, K. 550: I. Allegro molto is an English language song and is sung by Wilhelm Furtwangler and Vienna Philharmonic Orchestra. Symphony No. 40 in G Minor, K. 550: I. Allegro molto, from the album Best of Classical Music, was released in the year 2014. The duration of the song is 5:35. Download English songs online from JioSaavn.