The cold steel slam of a cell door. The soul-crushing fate of a life in prison with no possibility of parole for a crime you didn't commit. Such were the prospects facing Johnny Bragg, a humble musician from rural Tennessee who led a life that reads like a novel. Johnny and his fellow inmates in the 1950's-era R&B music group the Prisonaires had four strikes against them. They were poor, uneducated, imprisoned, and Black. They were also largely innocent...