It all began with a simple little boom-chicka-boom rhythm… A career that started at the very birth of rock & roll, in the sweltering heat of Sun Studios in Memphis, Tennessee, and ended in Nashville in 2003, by which time Johnny Cash was celebrated as the King Of Country Music… 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 a hundred reasons why…