http://webjay.org/iteminfo/6851862/83291cae7e1f52842e095ce17c70ecda
A web search will lead you easily to other free downloads and of course iTunes Music Store will let you play bits of all of his music. You won't believe the songs he's covered...Down With the Sickness...More Human Than Human, Insane in the Brain...the list goes on and on.
If you need a good laugh, check him out. And frankly, he has a good voice and could easily do straight music if he chose.