Joe Brooks Jason Reeves James Morrison The Cab Gavin Degraw Paolo Nutini The White Tie Affair Automatic Loveletter Cinematic Sunrise Ryan Cabrera Leigh Nash Michael Tolcher Graham Colton Kal David Colbie Caillat Dave Barnes Jason Mraz Wolle Kriwanek Karate High School Andrew Allen Misty Miller Trace Adkins Push Play Carrie Underwood Therefore Tomorrow Gerald Ko Hunter Plake Colin Munroe Taylor Thrash Benton Paul Luck Life Mike Dignam Alex Goot Wouter Hamel Reba Mcentire Joshua Hyslop Andrew Ripp Frankie Lymon And The Teenagers One Night Only Sara Evans Jesse Y Joy Flipsyde Blake Shelton Jesse James Taylor Swift Christina Grimmie The Calvinists Drew Ryan Scott Closer 2 Closure