Danza is a musical genre that originated in Ponce, a city in southern Puerto Rico. It is a popular turn-of-the-twentieth-century ballroom dance genre slightly similar to the waltz. Both the danza and its cousin the contradanza are sequence dances, performed to a pattern, usually of squares, to music that was instrumental. Neither the contradanza nor the danza were sung genres; this is a contrast to, for example, the habanera, which was a sung genre. There is some dispute as to whether the danza was in any sense a different dance from the contradanza, or whether it was just a simplification of the name. Through the first part of the 19th century the dance and its music became steadily more creolized. The music and the dance is creolized because composers were consciously trying to integrate