Jonathan Davis (Korn) Oliver Sykes (Bring Me The Horizon) M. Shadows (Avenged Sevenfold) Synyster Gates (Avenged Sevenfold) Daron Malakian (System Of A Down) Shavo Odadjian (System Of A Down) John Dolmayan (System Of A Down) Blink-182 Machine Gun Kelly Takahiro “Taka” Moriuchi (One Ok Rock) Ryan Key (ex-Yellowcard) Kiiara Zedd ほか