I've recorded a cover of "I Am The Law" using only my voice, imitating all the instruments, if you have a sense of humour, please check it out!
http://www.nospono.com/modules.php?name=Downloads&d_op=viewdownload&cid=5
http://www.nospono.com/modules.php?name=Downloads&d_op=viewdownload&cid=5