Sequencer, 01011001 Gary Hughes Ten Ayreonauts Only George Oosthoek Orphanage Into the Electric Castle Hansi Kürsch Blind Guardian 01011001 Heather Findlay Mostly Autumn The Human Equation Ian Parry Elegy The Final Experiment, Flight of the Migrator, Ayreonauts Only Irene Jansen ex-Karma The Final Experiment (Bonus disc), The Human Equation Jacqueline Govaert Krezip The Dream Sequencer James LaBrie Dream Theater The Human Equation Jan Chris de Koeijer Gorefest The Final Experiment Jasper Steverlinck Arid Timeline Jay van Feggelen ex-Bodine The Final Experiment, Into the Electric Castle Johan Edlund Tiamat, Lucyfire The Dream Sequencer John JayCee Cuijpers Parris The Final Experiment (Bonus disc) Jørn Lande ex-Masterplan, ARK 01011001 Jonas Renkse Katatonia 01011001 Lana Lane The Dream Sequencer, Flight of the Migrator, Ayreonauts Only Leon Goewie Vengeance The Final Experiment, Ayreonauts Only Liselotte Hegt Dial 01011001 Lucie Hillen The Final Experiment Magali Luyten Beautiful Sin, Virus IV 01011001 Magnus Ekwall The Quill The Human Equation Marcela Bovio ex-Hydra, Elfonía, Stream of Passion The Final Experiment (Bonus disc), The Human Equation Mark McCrite Rocket Scientists The Dream Sequencer Marjan Welman Elister, Autumn 01011001 Mikael Åkerfeldt Opeth, Bloodbath The Human Equation Mike Baker Shadow Gallery The Human