2023
Zorm (Zornheym)
Julia Ivanova & Manuel Haglmüller (Kontrust)
Casey Hurd (Hinayana)
Miika Kokko & Joni Petander (Satan's Fall)
Vivien Lalu
Joshua Corum (Head With Wings)
Steve Ludwig (Fake FIgures)
Pontus Snibb (Bonafide)
Michael Abdow (Fates Warning, Ray Alder, Solo)
Blackbriar
John Gallagher (Dying Fetus)
Juan Brujo (Brujeria)
Dino Cazares (Fear Factory)
Vikram Shankar (Silent Skies, Redemption, more)
Marc Hudson (Dragonforce, solo)
Maurizio Iacono (Kataklysm)
Sean-Anthony Todd (Differences)
Aaron Howell (MF Ruckus)
Anders Odden (Cadaver)
Bjørnar Erevik Nilsen (Vulture Industries)
David DeFeis (Virgin Steele)
Per Nilsson (Scar Symmetry)
Mike Mangini (Dream Theater)
Mason Page (Mélancolia)
Jamison Frisen (Arrival of Autumn)
Inge Johansson (Gatuplan)
Bruce Lamont (Yakuza)
Morton Veland (Sirenia)
Kris Norris
Kelly Shaefer (Atheist, Till The DIrt)
Olof Wikstrand (Enforcer)
Steffen Kummerer (Thulcandra, Obscura)
Josh Andrews (Pupil Slicer)
Knox Colby (Enforced)
Alex Bosson (Lunar, Hellion Prime, Session Musician)
Jesse Haff (MMXX, Daylight Dies, Gokbori)
Axel Rudi Pell
Timo Ellis (Netherlands, ex Cibo Matto)
Netta Laurenne (Smackbound)
Lori S. (Acid King)
Magnus Rosen (ex Hammerfall, Solo)
HIM (Sermon)
John Diva
Jarvis Leatherby (Night Demon)
Chase Wilson (Ov Sulfur)
Martijn Westerholdt (Delain)
Åge Sten Nilsen (Wig Wam)
Ville Friman (Insomnium)
Blackwald (Twilight Force)
Jennifer Haben (Beyond The Black)
Cornelius Althammer (Ahab)
