Joker: Original Motion Picture Soundtrack is the original soundtrack album to the 2019 film Joker, based on the DC Comics character of the same name, starring Joaquin Phoenix, Robert De Niro, Zazie Beetz, and Frances Conroy. The record consists of seventeen tracks from a film score written and composed by Hildur Guðnadóttir which received critical acclaim from the film industry. Hildur's score was released digitally by WaterTower Music on September 27, 2019, with a vinyl edition later released on December 13.