Music From the Movies reports that Robert Rodriguez has hired John Debney and Graeme Revell to work on the original music for Sin City. Rodriguez is co-composing the film as well.
Debney and Revell will be scoring different segments of the film in collaboration with Rodriguez. Debney and Rodriguez has previously worked together on two “Spy Kids” movies, and Revell scored Rodriguez’ “From Dusk Till Dawn”.
Source: Music From the Movies
