You knew this one was coming. It's ironic because this whole mash-up craze started with Danger Mouse--one half of Gnarls Barkley. I haven't heard the whole thing, so let me know what you think.

Gone, Biggie, Gone (mp3)
Can I Get with Ya Crazy Butt (mp3)
Who's Dead Wrong (mp3)

More here...

Here's the Youtubage of "Hynotize/Smiley Faces"