Lets see...

We the Kings
Scary Kids Scaring kids (I saved the keyboarder's life once! True Story!!!)
Metro Station
DJ Tiesto
Breaking Benjamin
Chevelle
RED
TFK
Linkin Park
Red Hot Chili Peppers
Story of the Year
Three Days Grace
30 Seconds to Mars
Audioslave
Incubus
Daft Punk (AROUND THE WORLD AROUND THE WORLD)
Fall Out Boy
Panic! at the Disco
Red Jumpsuit Apparatus
Emery
Dragon Force
50 Cent
Juelz Santana
The Game
Dragonforce
Yellow Card
Disturbed
Young Jeezy
Rage Against the Machine
System of a Down
Lil Wayne
Lil Jon
T.I.
Ludacris


That's all I can think of off the top of my head.