The idea to use Johnny Cash’s #4 Billboard Hot Country Song Folsom Prison Blues has sat on the back burner long enough.  Today, I’m sharing with you three rock covers of this famous old song.  Just listen to decide if you dig one of these versions over the other by leaving your vote for your favorite one in comments. I learned from Wiki that Cash wrote the lyrics while stationed in West Germany inspired after seeing the movie “Inside the Walls of Folsom Prison” in 1951.  Cash sat with pen in hand thinking of the worse reason a person would…