If you like Johnny Cash's story, you might also like:
Sheryl Crow,
Vince Gill,
Naomi Judd,
B.B. King,
John Grisham,
Wynton Marsalis
and Quincy Jones

Teachers can find prepared lesson plans featuring Johnny Cash in the Achievement Curriculum section:
A Passion For Music

Related Links:
Johnny Cash Music on Jango
Johnnycash.com