Scott Christian
National Symphony Orchestra
Andy Smith
University of Texas at El Paso
Thom Shearer
Templeton High School
Roel van Helden
Powerwolf
Marco Schirripa
Central Michigan University
Chris Hanning
West Chester University
Brandon Combs
Leon Bridges
Josh "JBake" Baker
Mariah Carey
Jason Hartless
Ted Nugent, Studio
Kayleigh Moyer
Independent
Noah ‘Wuv’ Bernardo
P.O.D
Kasem Thipayametrakul
Royal Bangkok Symphony Orchestra