Whilst I do like this version - it's not a patch on the original. Same goes for Beat It by Fall Out Boy.
Big Robert Cray fan but for me Howlin' Wolf is the definitive cover. That voice is perfection. There are a lot of good and a lot of terrible versions out there.
I quite like David Gray's version of Soft Cell's Say Hello Wave Goodbye, but he spoils it by going on for about two minutes too long..