Jon Donais of "Anthrax"
Ed Garcia"Vitalism" & "The Mantor"
Lucas Moscardini "Vitalism" & "Odeon"
Scott Smith "Oceano"
Andrew Virreuta "The Faceless" & "Interloper"
Alberto Barsi
Kyle Bolden "The Jacksons" & "Stevie Wonder"
Felipe Nothen "Letters Into Eternity"
Joshua Lopez "Immortal Guardian"
Marc Gortz "Caliban"
Patrick Hahn "And Hell Followed With"
Matt Szlachta "Broken Hope"
Pablo Holman "Kudai"
Paco Zaldívar "Lack Of Remorse"
Jake Chang
Cody Michaud "Carnivora"
Mike Meehan "Carnivora"
Charles Caswell "Berried Alive"
Lucas Mann "Rings Of Saturn"
Joel Omans "Rings Of Saturn"
Christopher Wagner "Oceano"
Chris Poland "Ex-Megadeth", "Ohm"
Christoph Schultz "Unprocessed"
Cory Smarsh "Signs Of The Swarm"
Eric Maldonado
Devin Castro "The Unsung"
Roberto Barros
Chris Bradley "Beneath The Massacre"
Rich Juzwick "September Mourning"
