This is the story of Johnny Cash's iconic cover of "Hurt" by Nine Inch Nails. By the early ‘90s, Johnny Cash had fallen from grace. He’d spent much of the 1980s increasingly marginalized, chasing ...

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.