This cool t shirt features the king of outlaw country himself mr johnny cash this tee pays homage to the concert he recorded at san quentin state prison in 1969 this was not the first time he had recorded an album during a prison performance as it follows his at folsom prison album of 1968 cash had been playing prison concerts since 59 his first was also at san quentin prison as he felt an affinity with prisoners these performances and recordings lent credibility to his image as an o