Aerosmith, Black Sabbath, Beastie Boys, Muse and more leak on RockBand.com! (UPDATE)

People have been URL hacking over on the Rock Band website and found some pretty big finds! Here's what could be in-store for future DLC:

Aerosmith - Walk This Way

Aerosmith - Sweet Emotion

Aerosmith - Back In The Saddle

Nine Inch Nails - Closer

Nine Inch Nails - Down In It

Nine Inch Nails - Wish

The Flaming Lips - Do You Realize??

The Flaming Lips - The Yeah Yeah Yeah Song (With All Your Power)

The Flaming Lips - She Don't Use Jelly

Muse - Plug In Baby

Muse - Stockholm Syndrome

Muse - Uprising

Muse - Supermassive Black Hole

Beastie Boys - (You Gotta) Fight For Your Right (To Party)

Black Sabbath - Children of the Grave
Black Sabbath - Sweet Leaf (Original Version)

Radiohead - Karma Police

Radiohead - High and Dry

UPDATE:  Well, it looks like the people at Harmonix have caught on and 404'd the pages. Oh well!

UPDATE 2: Did anyone fall for the crumbiest April Fool's Joke ever?