for SATB and percussion This joyful and upbeat Christmas carol uses the syncopated rhythms of rumba. The choir sings a vibrant and engaging melody while the congas, shaker, and cowbell provide a toe-tapping rhythmic ostinato. The percussion parts are available to purchase separately.. Format: Vocal score. Classification: Choral. Scoring: Voices (mixed); SATB. Media: Printed music. Genre: Christmas.