Jonathan Greeney
Oregon Symphony
Darin Kamstra
Regional Education Artist - Colorado Mesa University
Keith Carrick
Utah Symphony
Simon Grant
City of Edinburgh Pipe Band
Syuichiro Seki
九州管楽合奏団 , ティンパニ・打楽器奏者
Dirk Brand
e-drum expert, Axxis, Subsignal, Independent
Christophe "Tof" Rossini
Trio Cover, UK on The Rocks
Takao Okumura
ティンパニ・打楽器奏者 / 元京都市交響楽団 首席打楽器奏者
Oregano Percussion
Ensemble
YoungKyoung Lee
Ball State University
Kunihiko Komori
International Soloist
Aaron Farris
Father Ryan High School, WGI / DCI
FAMU Marching 100
Florida A&M University