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Andy LaRocque (KING DIAMOND, DEATH, ILLWILL)
Andy Timmons (DANGER DANGER)
Arjen Lucassen (AYREON, STAR ONE)
Bill Leverty (FIREHOUSE)
Brendt Allman (SHADOW GALLERY)
Byron (BAL-SAGOTH)
Christian Olde Wolbers (FEAR FACTORY)
Chuck Wright (HOUSE OF LORDS, QUIET RIOT, ALICE COOPER)
Cristina Scabbia (LACUNA COIL)
Daniel Gildenlöw (PAIN OF SALVATION)
David T. Chastain (CHASTAIN)
Derek Sherinian (DREAM THEATER, YNGWIE MALMSTEEN)
Edu Falaschi (ANGRA)
Eric Martin (MR. BIG)
Erik Turner (WARRANT)
Gary Wehrkamp (SHADOW GALLERY)
Gus G. (DREAM EVIL, FIREWIND)
Jeremy Wagner (LUPARA, BROKEN HOPE)
Jonas Björler (THE HAUNTED)
Jonas Renske (KATATONIA)
Kenny R2D2 (...AND OCEANS)
Kiko Loureiro (ANGRA)
Lanvall (EDENBRIDGE)
Lord Ahriman (DARK FUNERAL)
Marten Andersson (LIZZY BORDEN, GEORGE LYNCH)
Martin Walkyier (SABBAT, SKYCLAD)
Michael Amott (ARCH ENEMY, SPIRITUAL BEGGARS)
Mircea Gabriel (MNEMIC)
Paul Di'Anno (IRON MAIDEN)
Sabine Edelsbacher (EDENBRIDGE)
Sakis (ROTTING CHRIST)
Scott Ian (ANTHRAX)
Sebastian Bach (SKID ROW)
Steve Smyth (TESTAMENT, DRAGONLORD)
Tommy Aldridge (WHITESNAKE, OZZY OSBOURNE, THIN LIZZY)
Tony Harnell (TNT)
Victor Smolski (RAGE)
Vinny Appice (BLACK SABBATH, DIO)

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