Énekes | Album, amin szerepelt | Szerepe |
Andi Deris (Helloween) | Universal Migrator Part 2: Flight of the Migrator | |
Anneke van Giersbergen (The Gathering) | Into the Electric Castle | Egyiptomi |
Ayreonauts Only | - |
Astrid van der Veen (theEndorphins) | Ayreonauts Only | - |
Fate of a Dreamer (Ambeon) | – |
Axel Joseph Langemeijer (ex-Bodine) | III · Three Times Running (Bodine) | – |
Barry Hay (Golden Earring) | The Final Experiment | – |
Bruce Dickinson (Iron Maiden) | Universal Migrator Part 2: Flight of the Migrator | – |
Damian Wilson (ex-Rick Wakeman, Threshold (UK), Landmarq) | Into the Electric Castle | Lovag |
Universal Migrator Part 1: The Dream Sequencer | – |
Ayreonauts Only | - |
Dan Swanö (Nightingale, Edge of Sanity, ex-Bloodbath (Swe)) | Space Metal (Star One) | – |
Dave Brock (Hawkwind) | Space Metal (Star One) | – |
Debby Schreuder | The Final Experiment | – |
Devin Townsend (Strapping Young Lad, The Devin Townsend Band) | The Human Equation | Düh |
Devon Graves (Dead Soul Tribe, Psychotic Waltz) | The Human Equation | Gyötrelem |
Edward Reekers (ex-Kayak) | Into the Electric Castle | Jövőbeli |
Universal Migrator Part 1: The Dream Sequencer | – |
The Final Experiment | - |
Actual Fantasy | - |
Ayreonauts Only | - |
Edwin Balogh (ex-Omega) | Into the Electric Castle | Római |
Eric Clayton (Saviour Machine) | The Human Equation | Ok |
Erik Norlander | Universal Migrator Part 1: The Dream Sequencer | – |
Universal Migrator Part 2: Flight of the Migrator | – |
Fabio Lione (Rhapsody of Fire) | Universal Migrator Part 2: Flight of the Migrator | – |
Fish (Fish, ex-Marillion) | Into the Electric Castle | Hegylakó |
Floor Jansen (ReVamp, After Forever, Northward, Nigthwish) | Universal Migrator Part 1: The Dream Sequencer | – |
Gary Hughes (Ten) | Ayreonauts Only | – |
George Oosthoek (Orphanage) | Into the Electric Castle | Halál |
Hansi Kürsch (Blind Guardian) | 01011001, The Source, Universe | – |
Heather Findlay (Mostly Autumn) | The Human Equation | Szerelem |
Ian Parry (Elegy) | Universal Migrator Part 2: Flight of the Migrator | – |
The Final Experiment | - |
Ayreonauts Only | - |
Irene Jansen (ex-Karma) | The Human Equation | Szenvedély |
Jacqueline Govaert (Krezip) | Universal Migrator Part 1: The Dream Sequencer | – |
James LaBrie (Dream Theater) | The Human Equation | Én |
Jan-Chris de Koeijer (Gorefest) | The Final Experiment | – |
Jay van Feggelen (ex-Bodine) | Into the Electric Castle | Barbár |
The Final Experiment | - |
Johan Edlund (Tiamat, Lucyfire) | Universal Migrator Part 1: The Dream Sequencer | – |
Lana Lane | Universal Migrator Part 1: The Dream Sequencer | – |
Universal Migrator Part 2: Flight of the Migrator | – |
Lenny Wolf (Kingdom Come) | The Final Experiment | – |
Leon Goewie (Vengeance (Neth)) | The Final Experiment | – |
Ayreonauts Only | - |
Lucie Hillen | The Final Experiment | – |
Magnus Ekwall (The Quill) | The Human Equation | Büszkeség |
Marcela Bovio (ex-Hydra, Elfonía, Stream of Passion) | The Human Equation | Feleség |
Mark McCrite (Rocket Scientists) | Universal Migrator Part 1: The Dream Sequencer | - |
Mikael Akerfeldt (Opeth, ex-Bloodbath (Swe)) | The Human Equation | Félelem |
Mike Baker (Shadow Gallery) | The Human Equation | Apa |
Mirjam van Doorn | The Final Experiment | – |
Mouse (Tuesday Child) | Universal Migrator Part 1: The Dream Sequencer | – |
Ayreonauts Only | - |
Neal Morse (ex-Spock's Beard) | Universal Migrator Part 1: The Dream Sequencer | Az első ember |
Okkie Huysdens | Actual Fantasy | – |
Peter Daltrey (ex-Kaleidoscope) | Into the Electric Castle | Forever of the Stars |
Ralf Scheepers (Primal Fear) | Universal Migrator Part 2: Flight of the Migrator | – |
Robert Soeterboek (Wicked Sensation) | Universal Migrator Part 2: Flight of the Migrator | – |
The Final Experiment | - |
Actual Fantasy | - |
Ayreonauts Only | - |
Robert Westerholt (Within Temptation) | Into the Electric Castle | Halál |
Russell Allen (Symphony X) | Universal Migrator Part 2: Flight of the Migrator | – |
Ruud Houweling (Cloudmachine) | The Final Experiment | – |
Sharon den Adel (Within Temptation) | Into the Electric Castle | Indián |
Simone Simons (Epica) | 01011001 | – |
Timo Kotipelto (Stratovarius) | Universal Migrator Part 2: Flight of the Migrator | – |