Equation Mirjam van Doorn The Final Experiment Mouse Tuesday Child The Dream Sequencer, Ayreonauts Only Neal Morse ex-Spock’s Beard The Dream Sequencer Okkie Huysdens Actual Fantasy Peter Daltrey ex-Kaleidoscope The Final Experiment (Bonus disc), Into the Electric Castle Phideaux Xavier 01011001 Ralf Scheepers Primal Fear Flight of the Migrator Robby Valentine Valentine The Final Experiment (Bonus disc) Robert Soeterboek Wicked Sensation The Final Experiment, Actual Fantasy, Flight of the Migrator, Ayreonauts Only Robert Westerholt Within Temptation Into the Electric Castle Rodney Blaze The Final Experiment (Bonus disc) Russell Allen Symphony X Flight of the Migrator Ruud Houweling Cloudmachine The Final Experiment, The Final Experiment (Bonus disc) Sharon den Adel Within Temptation Into the Electric Castle Simone Simons Epica 01011001 Steve Lee Gotthard 01011001 Timo Kotipelto Stratovarius Flight of the Migrator Tobias Sammet Edguy, Avantasia Elected Tom S.