DNFMOMD: Don’t let this make you lose your faith

in all things good and just, but Johnny Cash totally stole Folsom Prison Blues.

Evidence:

Compare with:

Really, this was standard practice at the time, to re-write old country and folk standards, the problem here being that this song was not an old standard. There was some sort of court case, and this practice has fallen out of favor amongst musicians, in the age of copyright.