Alex Holzwarth
Turilli / Lione Rhapsody
Wally Schnalle
Idiot Fish, Independent
Hisae Hirako
打楽器奏者, 国立音楽大学・東京音楽大学吹奏楽アカデミー非常勤講師
Derrek Phillips
Brett Eldridge, Charlie Hunter
Logan Ball
East Tennessee State University
Dirk Brand
e-drum expert, Axxis, Subsignal, Independent
Janne Parviainen
Ensiferum
Art Avila
Eastwood High School
Kasem Thipayametrakul
Royal Bangkok Symphony Orchestra
Beatrix' Drum & Bugle Corps
Beatrix' Drum & Bugle Corps