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