Jared Cotter from Fuse Television Network

Several contestants from American Idol

Mark McGrath from Sugar Ray

Tanto Metro & Devonte

Lauren Hildebrandt

Mike Lombardi

Hinder

Mark Ballas

Jessie James Decker

Stephen Colletti

Push Play

Ashlee Keating

Tiffany Giardina

Kristy Kay

Brandi Glanville

Marysol Patton

Penny Drossos-Karagiorgis

The Fray

Anna Rose Menken

Robert Taylor Jr.

Former Knick & free agent Quentin Richardson

DJ Skribble

Lucas Prata

Gavin DeGraw

Brianna Brown

Saving Abel

Tenley Molzhan

Ella Nolan

Fizz & J Boog

Push Play

Tiffany Giardina

Jay Siegel (Jay & The Tokens)

Mark Russell

Rachel Federoff

My Darkest Days

​Fitz and The Tantrums

Weird Al Yankovic
Andy Grammer

Brave Williams

Mandy Jiroux

Mason Noise

Michael S

Soave

Mike Licata

Dave Tafauro

Sal Costa 

Adam Small

Zawezo 

Kady Z

Keaton Simons 

Marie Miller

Sloane Morgan Siegel

Sherry Lee Meredith

SallyAnn Salsano

Adam Ferrara

Flip Orley

Adam Schulz

Jo Koy

Mick Foley

Tom Papa

Kato Kaelin

Cristal Hefner

Rhonda Shear

Christopher Titus

Paige Hemmis

Paul Rodriguez

Nick Tangorra

Sylvia Day

The Hillywood Show

Foreigner

Styx

Michael Grandinetti

Jim Norton

Bobby Slayton

Scotty McCreery

Kenny Wayne Sheppard

Rich Redmond

Jason Wahler

Jason and Cassia Hitch

Jason Rosell

Felipe Esparza

Alex Weber ​

Rob Mor

Hell's Kitchen

Face Off

McKenzie Westmore

Sebb Weber

David Osmond

Rachele Lynae

Fred Rubino

Liz Crokin

Constantine Maroulis

Switchfoot

Manika

Alicia Minshew

Walt Willey

O-Town

Eddy Clearwater

Greg Kihn

Asher Monroe

Cheap Trick

Foghat

Big & Rich