Andy Grammer Ben Rector Sara Bareillies Andrew Allen Nathan Angelo Jimmy Needham Gavin Degraw Lukas Graham The Scrpt Charlie Puth Shane And Shane Parachute Steve Moakler Casey Abrams Plain White T'S Andrew Ripp Jj Heller Matt Maher Sam Burchfield Needtobreathe The Overtones Amanda Seyfried Bethany Dillon Jason Mraz Jason Polley Hunter Hayes Taylor Swift Milo Greene The Script Kid Quill The Band Perry Onerepublic Maroon 5 John Mayer Matt Nathanson Imagine Dragons Auryn Tal Bachman Chris Wallace Bernhoft Distant Cousins The Fray Adele Dave Barnes Green River Ordinance Jay Ollero Daiki Kasho The Civil Wars The Score