Listen to Symphony K 45 D Major: I. Molto Allegro (Mozart) online. Symphony K 45 D Major: I. Molto Allegro (Mozart) is an English language song and is sung by Claudio Scimone and I Solisti Veneti. Symphony K 45 D Major: I. Molto Allegro (Mozart), from the album W.A. Mozart: Early Symphonies - Vol. 2, was released in the year 2006. The duration of the song is 2:29. Download English songs online from JioSaavn.