The Script The Fray Boyce Avenue Snow Patrol Maroon 5 Keane Augustana Coldplay Three Doors Down Parachute David Archuleta Demi Lovato 5 Seconds Of Summer The Wanted Katy Perry The Killers Doo-Wops & Hooligans Goo Goo Dolls Jason Mraz Gavin Degraw Chris Cagle The Score Simple Plan P!Nk Nickelback Lawson James Bay Florence And The Machine Andy Grammer Mkto James Blunt Estelle Kelly Rowland James Morrison Westlife Mayday Parade Boys Like Girls Tom Odell Pasenger Charlie Puth Scouting For Girls 3 Door Down The Band Perry Echosmith Jordan Pruitt He Is We Needtobreathe Timeflies Haven Yates