Tickets still available for Keith Urban and Vince Gill-hosted benefit concert.
JOAQUIN PLAYS FOLSOM PRISON
Actor Joaquin Phoenix, who's drawing raves for his portrayal of Johnny Cash in the movie Walk the Line, retraced Johnny's steps as he played a concert at California's Folsom Prison.
Shooter Jennings and Joaquin Phoenix
by Eric Charbonneau/WireImage.com