Adam Björk (ALLT / Independent)
Adam Moore (Independent)
Afiq Hazwan (Upon Arrival)
Alex Fewell (Black Mass / Scaphism)
Alex Rüdinger (Trivium)
Alex Sadler (Independent)
Alexis Shook (Buried Crosses)
Amanda Imamura (Say'em)
Amani Bradford (NOT / ex-Kenny Hoopla)
Andi Rohde (Drummer / Clinician / YouTuber)
Andrew Baird (All Shall Perish / Session)
Andrew Holzbaur (Impending Doom / Bone Crown / Obliviated)
Anthony Barone (Beneath the Massacre)
Anthony Piazza (Atsuko Chiba)
Anup Sastry (Independent)
Arief Rahadian S (Digging Up / Murtad)
Arnold Hullenbaugh (Arcane Haven)
Ash Pearson (Revocation / Ritual Dictates)

Bennie Rodgers II (The Band Six / Black Pink)
Boris Le Gal (SUN / DROPDEAD CHAOS)
Borna Shafizadeh (Moody Moussavi / Ali Yasini / Mehrad Hidden)

Brandon Lee (LIVEALIE)
Brandon Thrift (Fiends / Cold Steel / PRISON / Super Super)
Brayden Smith (Independent / NoVictim)

Brett Bellmyer (Independent)

Carlos Pedroza (From The Grave)
Charles Webber (The Convalescence)
Chartwell Kerr (HAWKING)
Chris Deets (Distance and Divide)
Chris Whited (Bodysnatcher)
Christopher Suitt (Session Drummer / SLWBRN)

Christopher Williams (Accept / Touring / Session)
Cierra White (Oak, Ash & Thorn / Emasculator / Harboured / Last Word)
Cody Frain (If Not For Me)

Cody Rose (Session Drummer)
Cole Miner (The Black Order)
Colin White (Secret Keeper / Independent)

Dakota Sammons (I See Stars)
Dan Lomeli (Incendiary / Carcosa)
Daniel Issaiah Castaneda (Samsara)
Daniel Marciniak (Leaves / The Monistic)
Danny LaVarco (ENDER / Enochian)
Dave Kobrehel (Leafland / Independent)
Dave Mills (Monolith)
David Boughter (Sustenance / I'll Be An Empire)
David Hicks (Resist LA / Mothersound)

David McGraw (Cattle Decapitation)
Dickson Benjamin (The Frame Defect / Badgermilk / Phantom Limb / Instructor)
Diogo Mota (GAEREA / LHABYA)
Dirk Verbeuren (Megadeth)
Dominic Guggino (Independent)
Douglas Ford (Aileeah Colgan / Kuh Nives)

Elijah Losch (Independent)
Elisa Seda (The Von)
Enzo Bacino (Independent)
Eric Morotti (Suffocation / killitorous)
Esteban Diaz (Perpetual Warfare)
Eugene Ryabchenko (Fleshgod Apocalypse)

Florian Musil (Theotoxin / Agrypnie / Schammasch [Live])
Francesco "Nitro" Sguera (The Strigas / Hooplug)

Giancarlo Ravelo (Infected Omnipotence)
Giovanni Casanova (Second Death)
Gregory Vance (Syr / DreamScape Co-Op)

Hibiki Shiraishi (Matenrou Opera)

Jaap Relou (For I Am King)
Jacob Barsoum (Distinguisher)
Jacob Davis (King Pariah)
Jacob Wertman (The American Classic / Trove)
Jade Castello (Picturesque / Fortunes / Hampton Hallow)
Jake Fogarty (Milestones / Teller / Session / Tutor)

 Jakub "Zyjon" Śliwiński (Independent)

Jakub Wieczerzycki (Angrrsth / Independent)
James Hamann (Hollow City)
 James C. Knoerl (Aviations / Oh Malô)
 James Gallagher (Echoes From Beyond)
 Jamie Eads (Independent / Fences)
Jared Klein (Rivers of Nihil / Flub / The Undying / Luck Wont Save You)
Jason Young (Independent / Coffey Anderson)
Jay Postones (TesseracT)
Jayden Mason (Aversions Crown)
Jeff Dorber (Dayshell / Awake At Last)
Jeff Nichols (Broadside)

Jeremy Gilmartin (Neck of the Woods)
Jesse Beirwagen (After Hours / Independent)
Jesse Gentry (American Arson)
 Jesse Smith (Independent)
Jimmy Pino (Independent)
Jocke Wallgren (Amon Amarth)
Joey West (Disciple)
John Timms Blanch (Session / Educator)
Jon Busby (Sparrows)
Jonas Aasnes (Sweet Scarlet / Svartsjuk)
Jonathan Lievano (Refuge / Newcomer / Line of Scrimmage)
Jonathan Van Dine (CRUISR)
Jordyn Zubyk (Independent)
Josh Alves (RIVALS)
Josh Armitage (IMMERSE)
Josh Griffin (Caligula's Horse)
Josh Miller (Emmure / Glass Cloud)
Josh Parra (Poutyface / Vaudlow)
Joshua Slater (Aethere)

 Juliana Mascia (Independent)

Kane Chen (Fatuous Rump)
Kc Marotta (Paloma)
Kenneth Downey (Too Close To Touch)
Kenny Williams (BETRAYER)
Keisuke Imai (Oaktails)
Keita Kondo (Indication / Instructor)
Kevin Daniels (Bermuda / Filth)
Kevin Newton (Blaggards)
Kevin Stevens (Boundaries)
Kevin Vincent (ENMY)
Kim Hughes (Pintglass / Bonecarver / Bound In Fear)
Koury Pounds (God of Nothing)
Kris Myers (Independent / former Umphrey's McGee)
Kyle Haneski (A Feasting Beast)
Kyle Smith [RIP] (Never Enough / Young Ghosts)

Leyan Senay (Independent)
Luca Romeo (Independent)
 Luke Chizek (Ditz / Old Friends / Sleeper Creek / Sunburner / CAT 5)
Lyn Jeffs (Ingested)

Mahmudin Sutisna (Mutasi / Khudeta / Psychophagia)
Marc Esses (For the Fallen Dreams / GOLDHOUSE)

Mark Evans (Samarra / Push Ahead)
Mason Ledbetter (Independent)
Matt Hansen (Eidola)
Matt Kohanowski (Oceano)
Matt Young (Currents)
Max Scholl (Lights Out)
Michael Ieradi (Protest The Hero)
Michel Bélanger (Gorguts / Deviant Process / Bestov)
Mike Caputo (BRAND OF SACRIFICE / Desecrate The Faith)
Mike Malyan (Disperse / Session)
Mike Wrench (Cass and The Bailout Crew / Moxie & Rebel / Upbeat Outreach / Epic Percussion
Mikel Gomez (Soziedad Alkoholika / Lampr3a)
Mirna Ayshoa (Slave to Sirens)
Myles Clayborne (Independent)

Nathan Andrew (Krosis / Attracting the Fall / Session)
Nick McGoldrick (Satiate / Independent)

Noel Kunz (Independent)
Norman Ceriotti (Defamed / Ego The Enemy / Locus Animae / Clairvoyance)

Oki Fadhlan (Jasad / Stigmatuary)

Patrick Galante (Ice Nine Kills / American Nosebleed)
Pedro Carvalho (Japa Drummer / Project46)
Pete Webber (Havok)

Philippe Boucher (Beyond Creation / Incandescence / Chthe'ilist / Dissimulator)
Prompts

Rich Boca (Blackast)
Robert Rodriguez (Celebrity Cruises Orchestra / Thundering Cats Big Band / Robert F. Rodriguez Jazz Trio)
Ruston Grosse (Amesa Spentas / Enter the Stargate)
Ryan Claxton (Tulip / Zen Cat / Instructor / Session)
Ryan Trinh (Of Virtue / Independent)

 Sam Lumsden (Independent / First Class Drums)
Sasha Horn (Exhorder)
Shawn Lauderback (Independent)
Stephen Arango (Hed P.E.)
Steven Sanchez (AngelMaker)

Tetsuro 哲郎 (Independent)
Thomas Crémier (Psygnosis / Avalanche / Independent)
 Tomohiro "Tommy" Watanabe (HERWIT)
Travis Dragani (The Superjesus / Emergency Rule)
Travis Orbin (Darkest Hour / Independent)
Tyler Saczawa (sace6)
Tyler Syphertt (Empty / Wiltwither)
Tyson Dang (Red Handed Denial)

Vijit Singh (Kryptos / Regicide)

Yesod Williams (Pepper)

Zack Baker (Rain City Drive)

Zed Amarin (Esodic / Of The Betrayer / SICARIUS / ØVI)