Kent Watari
東京塩麹, drummer, beat maker
Tom Nevill
Butler Community College
Mauricio "Topo" Espindola
Chris Dimas
Bleeker, Surf Dads
Sebastian "Captain" Schmidt
Adel Tawil, Milky Chance, session
Ludvig Nillson
Royal Swedish Opera 首席打楽器奏者
Stewart Gardiner
Wallacestone & District Pipe Band
Maciej "Ślimak" Starosta
Acid Drinkers
Ji Su Jung
The Percussion Collective, International Soloist
Justin Johnson
Jamestown Middle School, Ragsdale High School
Brett Dietz
Lousiana State University
Gerald Scholl
Wichita State University, Wichita Symphony