After John died, they found tucked away in the huge vault, in the House Of Cash, tapes of songs he sang with his guitar, marked "Personal File". Here is one I like, from the CD of the same name. (A drummer is a traveling salesman)
Johnny Cash leads an all-star performance of his song "Big River" at the 1992 Hall of Fame Induction Ceremony, when Cash was inducted into the Rock and Roll Hall of Fame.