Adrian Erlandsson (At The Gates, The Lurking Fear)

Alex Bent (Trivium)

Alex Rüdinger (Whitechapel, Light The Torch)

Baard Kolstad (Leprous)

Ben Koller (Converge)

Blake Richardson (Between The Buried And Me)

Brann Dailor (Mastodon)

Buster Odeholm (Vildhjarta)

Cameron Losch (Born Of Osiris)

Daniel Fang (Turnstile)

Daniel Wilding (Carcass)

Dave Bland (Full Of Hell)

Fenriz (Darkthrone)

Hannes Grossmann (Eternity's End)

Jared Klein (Rivers Of Nihil)

John Boecklin (Bad Wolves)

John Otto (Limp Bizkit)

John Stanier (Tomahawk)

Ken Bedene (Aborted)

Lewis de Jong (Alien Weaponry)

Mario Duplantier (Gojira)

Mike Heller (Fear Factory)

Mike Mangini (Dream Theater)

Mike Portnoy (Transatlantic, LTE)

Nicko McBrain (Iron Maiden)

Paul Mazurkiewicz (Cannibal Corpse)

Pierce Williams (Ænigmatum)

Robbie Back (Employed To Serve)

Roy Mayorga (Ministry)

Ruben Limas (Tetrarch)

Shane "Russ" Russell (Twelve Foot Ninja)

Spencer Prewett (Archspire)

Tobias Schuler (Der Weg Einer Freiheit)

Zach Coleman (Khemmis, Go Ahead And Die)

Zev Rose (Spiritbox)