In 2006, the set won the Grammy Award for Best Boxed or Special Limited Edition Package.

The second disc was compiled in a similar fashion to the first, also including some of Cash's early hits, like "Hey Porter" and "Cry!

It also contains several previously unreleased tracks, a selection of his later work and a number of songs from At Folsom Prison.

The third disc is made up primarily of traditional American compositions that have been recorded by many artists.

The fourth disc includes collaborations with Cash's family members and well-known country musicians.