A Catalonian Christmas Carol (543.11.Perc) This traditional folk song from Catalonia (a region in Spain) has been regularly sung during the Christmas season all over the world. There are also numerous instrumental versions, including notable ones for solo guitar that are very popular. This arrangement begins like the guitar versions - simple, light and clean. It grows to be more full and sonorous than a guitar ever could, before ending, as it began - peacefully.