Maggie Gyllenhaal has signed on to play the lead in Scott Cooper's upcoming music-based film Crazy Heart. According to Variety, both Jeff Bridges and Robert Duvall have also come aboard the CMT Films project.

Cooper adapted the screenplay from Thomas Cobb's debut novel of the same name. The story revolves around a struggling alcoholic country western singer that is only able to get his career back on track through his relationship with a female reporter. Bridges is set to play the bummy musician, while Gyllenhaal will star as his muse. T. Bone Burnett is set to produce the music for the film.

Shooting will start next month in and around Santa Fe, New Mexico.