Janne Parviainen
Ensiferum
Joseph Petrasek
Atlanta Symphony Orchestra
Robert Slack
Pacific Symphony
Rolf Pilve
Stratovarius, session
窪田 健志
名古屋フィルハーモニー交響楽団 首席ティンパニ・打楽器奏者
Richie Martinez
Arch Echo
Oregano Percussion
Ensemble
Luis Rivera
University of South Alabama
Sydney Taieb
Atlantis Chronicles
Brian Jones
Dallas Symphony Orchestra
Josh Torres
Center Grove High School