While many have heard the music of Johnny Cash, few know the whole story behind his extraordinary career and the stories of those who helped him attain his success. Marshall Grant, Cash's long-time bassist and one of the founding members of Johnny Cash and the Tennessee Two, chronicles their rise to fame from humble beginnings to world renown.While many have heard the music of Johnny Cash, few know the whole story behind his extraordinary career and the stories of those who helped him attain his success. Marshall Grant, Cash's long-time bassist and one of the founding members of Johnny Cash and the Tennessee Two, chronicles their rise to fame from humble beginnings to world renown.