Bert McCracken of The Used
Jason Hook of Five Finger Death Punch
Mike Portnoy of The Winery Dogs
Cardinal Copia of Ghost
Brock Richards of Starset
Caleb Shomo of Beartooth
Josh Fore of Tetrarch
Ilan Rubin with Danny Elfman
David Draiman of Disturbed
Danny Elfman
In This Moment
Taylor Momsen of The Pretty Reckless
APOC of Smash Into Pieces
Maynard James Keenan of Tool
Chris No 2 of Anti-Flag
Josh Kiszka & Jake Kiszka of Greta Van Fleet
Brent Smith of Shinedown
Jonny Hawkins of Nothing More
Claudio Sanchez of Coheed and Cambria
Gerard Way of My Chemical Romance
Spencer Chamberlain of Underøath
Big Time Rush
Midnight
Many Voices One Song
Nivek Ogre of Skinny Puppy
Ihsahn of Emperor
Gary Numan
Benjamin Jackson Burnley V of Breaking Benjamin
Zero of Havoc Faction
Nita Strauss
Ville Valo
Trey Williams of Dying Fetus
Colin H. van Eeckhout of Amenra
Ray Luzier of Korn
Ronald Osbourne of Mac Sabbath
Pete Loeffler of Chevelle
Alissa White-Gluz of Arch Enemy
M Rainbow of Birthday Massacre
Jay Buchanan of Rival Sons
John Alfredsson of Avatar
Simone Simons of Epica with Elize Ryd
Zach Callison
Gary Cherone of Extreme
Lulu of GFM
Jason Aalon Butler of Fever 333
Psycho Las Vegas
Rammstein