On January 13, 1968, Johnny Cash took the stage at Folsom Prison in Folsom, California. The concert and the live album, Johnny Cash at Folsom Prison, propelled him to worldwide superstardom with definitive versions of "I Still Miss Someone," "The Long Black Veil," and, of course, "Folsom Prison Blues." He reached new audiences, ignited tremendous growth in the country music industry, and connected with fans in a way no other artist has before or since...