Matthew Howard
Los Angeles Philharmonic
Raúl Liendo
Harlingen South High School, Ritmo Gavilán Salsa Band
Amhed Mitchel
Independent
Greg Beyer
Northern Illinois University, Due East
Greyson Nekrutman
Sepultura
Sebastian "Captain" Schmidt
Adel Tawil, Milky Chance, session
Aaron McDonald
Vancouver Symphony Orchestra
Alan T. Laird
Manorcunningham Pipe Band
Hideki Ikegami
打楽器奏者, パフォーマー
Jocke Wallgren
Amon Amarth
Kevin Watkins
Minnesota Orchestra
Nick Angelis
University of Cincinnati
Chris Deviney
Philadelphia Orchestra
Aaron Williams
Des Moines Symphony, Quad City Symphony