"A Song of Joy" ("Himno de la alegría") is the title of a popular rock song by the Spanish singer and actor Miguel Ríos. It is set to the tune the Ninth Symphony by Ludwig van Beethoven, as arranged by Waldo de los Ríos, who specialized in arranging classical music to contemporary rhythms. The same melody is used in the well-known Christian hymn, "Joyful, Joyful We Adore Thee."