The soundtrack was created by Massive Attack. It was released under the name Danny the Dog, in 2004 from EMI. In 2005, Virgin Records re-released the soundtrack under the title Unleashed, with two bonus tracks. Neither version features the song "Aftersun", featuring vocals by Dot Allison, that appears in the end credits of the film. The classical piano solo played in several scenes of the film is Mozart's Piano Sonata No.11 in A major, K.331. In 2005 Virgin released a new version of the album with two bonus tracks. "Baby Boy" - 3:28 (Thea Van Seijen) "Unleash Me" - 2:36 (The RZA feat. Prodigal Sunn & Christbearer of Northstar)