Daniel Tompkins of Tesseract
Shagrath of Dimmu Borgir
Mick Thompson of Slipknot
Maynard James Keenan of Tool
Randall Blythe of Lamb of God
Jon Schaffer of Demons & Wizards
Matthias Jabs of Scorpions
Slash of Slash
Tesseract
Jeff Gutt of Stone Temple Pilots
John Campbell of Lamb of God
Matthew Heafy of Trivium
