When Nashville resident Todd Nolan was working at a South Florida record store in 1994, Johnny Cash was not particularly on his radar. But then a record came in to the shop produced by Rick Rubin on his new "American Recordings" label - Johnny Cash's 81st - and the stark presentation coupled with the heft of JC's voice grabbed him and sent him on a musical train ride of the man and the genre he's still traveling on. Let the train blow the whistle!