The song was inspired by Nelson's grandmother who read from the Bible and would often sing the Christian hymn "Rock of Ages" after dinner.

Willie Nelson, Waylon Jennings, Johnny Cash and Kris Kristofferson were some of the best-known outlaws in country music ...

We've rolled up a list of songs about getting stoned by Texas musicians. Regardless of genre or generation, the grass is greener on this 420 playlist.