Listen to Symphony No. 3 in C Minor "Organ", Op. 78: IIb. Maestoso – Allegro online. Symphony No. 3 in C Minor "Organ", Op. 78: IIb. Maestoso – Allegro is an English language song and is sung by Mel Waters. Symphony No. 3 in C Minor "Organ", Op. 78: IIb. Maestoso – Allegro, from the album Instant Expert: All You Need to Know About Classical Music, was released in the year 2014. The duration of the song is 8:14. Download English songs online from JioSaavn.