Rent Honeydripper (2008)

Acclaimed writer/director John Sayles brings the birth of rock 'n' roll to life with electrifying effect in Honeydripper. Tyrone Purvis is a bar owner down on his luck. To drum-up business, he enlists the services of the legendary Guitar Sam. What he gets will forever change his Saturday nights, but threatens to raise demons from the past could destroy his future.