Good thread. The Cramps had a song called The Most Exalted Potentate of Love. I couldn't find a studio version of it, and the live versions sucked on You-Tube. At any rate, Queens of the Stone Age covered it. Love this tune.
http://www.youtube.com/watch?v=uIu07A86tCI
Another cover I like is Rage Against the Machine's version of The Ghost of Tom Joad originally by Springsteen. Here's Bruce's orginal...
http://www.youtube.com/watch?v=NKKpmbcSe5E
And Rage's which I liked better......its somewhat monumental to me cuz during that time of my life I was going through some things.