Original soundtrack. Dirt, the film, is the story of how Mötley Crüe came to be one of the most notorious rock 'n roll groups in history. Motley Crue release the 18-song soundtrack for The Dirt film. Bassist Nikki Sixx says: "During the filming of our movie we got excited and inspired to write new music. "Getting back in the studio with Bob Rock just fueled the creative fires for us. To me, the music sounds like classic Motley. The lyrics were written for the movie and are a reflection of our life."