Aaron Pauley (Of Mice & Men)

Andrew W.K. (Andrew W.K.)

Ben Hutcherson (Khemmis)

Björn Strid (The Night Flight Orchestra)

Bruce Dickinson (Iron Maiden)

Chase Mason (Gatecreeper)

Courtney LaPlante (Spiritbox)

Dani Filth (Cradle Of Filth)

Daniel "DL" Laskiewicz (Bad Wolves)

Dee Snider (Dee Snider)

Gabriel Franco (Unto Others)

George "Corpsegrinder" Fisher (Cannibal Corpse)

George Clarke (Deafheaven)

J.T. Cavey (Erra)

Jake Dieffenbach (Rivers Of Nihil)

Jesse Leach (Times Of Grace)

Joe Duplantier (Gojira)

Keith Buckley (Every Time I Die)

Kirk Witt (Four Stroke Baron)

Matt Heafy (Trivium)

Oli Peters (Archspire)

Phil Bozeman (Whitechapel)

Sal Abruscato (A Pale Horse Named Death)

Scott Lewis (Carnifex)

Steve Von Till (Steve Von Till)

Tatiana Shmailyuk (Jinjer)

Tomas Lindberg (At The Gates)

Tommy Rogers (Between The Buried And Me)

Vessel (Sleep Token)

Vilhelm Bladin (Vildhjarta)

Jacob Bannon, Chelsea Wolfe & Stephen Brodsky (Converge)

Bruce Dickinson (Iron Maiden)

Will Ramos (Lorna Shore)

Matt Tuck & Michael Padget (Bullet For My Valentine)

Justine Jones (Employed To Serve)

Nikita Kamprad (Der Weg Einer Freiheit)

Nik "Kin Etik" Barker (Twelve Foot Ninja)