A Concert: Behind Prison Walls is the fifty-fourth overall album and a live album recorded by Johnny Cash at the Tennessee State Prison in 1974. The album features a total of seven performances by Cash with his backing band the Tennessee Three. It also features a total of nine performances by Linda Ronstadt, Roy Clark and Foster Brooks. The original release of the show was called Flowers Out of Place and featured Glen Sherley, who had written several songs that Cash had performed at earlier prison concerts. Sherley's material has been cut from recent releases of the show.