Gorilla Zoe Dorrough Steve Rushton Duffy Gwar Kristinia Debarge Alesana Daddy Yankee Jessie James New Boyz Interpol Josh Groban Brokencyde Vybz Kartel LMFAO Manchester Orchestra Musiq Beyoncé Hinder The Maine Britt Nicole Calle 13 Pedro Infante Wings Electric Light Orchestra Day26 Demi Lovato David Archuleta Silverstein Kittie Mitchel Musso The Killers Chrisette Michele Disciple Rodney Atkins OJ Da Juiceman Patti LaBelle Sean Kingston Lakeside Bloc Party Da Truth Flyleaf Seether Avenged Sevenfold Mr. Criminal David Cook Boondox Mayday Parade Kellie Pickler Alter Bridge