Heather Graham became a guitar-playing rock chick for her latest movie.

The 'Boogie Nights' actress sings and plays a six-string on 'The Hanging Tree', a song which features in her upcoming film 'Broken.' The 37-year-old actress learnt to play the guitar for her role as aspiring musician Hope, who moves to Hollywood in search of success but ends up working the overnight shift at a diner.