The "Carnival of Venice" is based on a Neapolitan folk tune called "O Mamma, Mamma Cara" and popularized by violinist and composer Niccolo Paganini, who wrote twenty variations on the original tune. He titled it "Il Carnevale Di Venezia," Op. 10. In 1829, he wrote to a friend, "The variations I've composed on the graceful Neapolitan ditty, 'O Mamma, Mamma Cara,' outshine everything. I can't describe it."
