Sally Yeh
The film features music from The Black Keys, Kanye West, Wiz Khalifa, My Chemical Romance, John Frusciante and Chinese singer Sally Yeh. RZA also developed new tracks based on excerpts from Wu-Tang Clan master tracks provided by Sony Music, and songs performed by William Bell, Isaac Hayes and Mable John, which Stax Records provided. Composer Howard Drossin wrote the original musical cues for the film.