NPR's Scott Detrow speaks with Johnny Cash historian Mark Stielper and Cash's son, John Carter Cash, on their book, Johnny Cash: The Life in Lyrics and the Man in Black's legacy as a songwriter.
Cash was inducted into the Country Music Hall of Fame and the Rock & Roll Hall of Fame. He spoke to Fresh Air in 1997 about his career, from touring with Elvis to singing at prisons. He died in 2003.