If one single song is indelibly associated with Johnny Cash, it has to be I Walk The Line - the song that landed him his first American hit in October 1956. But for many, Cash is defined by a single line from Folsom Prison Blues. “I shot a man in Reno, just to watch him die…” confirmed Cash as a hard-living, fast-shooting guy (Don’t Take Your Guns To Town; Bonanza!) and also saw him identifying with prisoners and prison life. The ‘Man in Black’ had become a friend of Presidents and pop idols; a man whom stars like Bono and Bob Dylan deferred to; a legend courted by fans such as Quentin Tarantino and Johnny Depp. And though a lot has been written about Johnny Cash since he died in 2003, questions remain about how this man came to dominate the world of popular music - but here, in your hands, are sixteen reasons why...