I am bored, and am going to list where I found every single version.
Greg Luzitano:
101 Strings, 1989 American Tour, Sasvari Sandor
Jose Miguel Arbulu:
Jose Miguel Arbulu, Alirio Neto, Mikail Sergiev
Audio Galaxy:
Amy Ray, Paul Nicholas 1992, Camilo Sesto, Kamil Støhavka, Glenn Carter, Ted Neeley, Steve Balsamo, Ian Gillan, John Farnham, Michael Ball, Michael Crawford
Kazaa:
Danny McNie, Darren Romeo, Doc Severinson, Erich Kunzel, Glenn Carter Live, Gunnar Graps, Jim Igman, Jesse Upah, Karaoke (the good one), Karel Gott, Kit Wilder (possibly a relation of mine), Marianne List, Matteo Merli, Michael Ball (medley), Orlando Pops, Ron Bohmer, Sebastian Bach, Stig Rossen, Varga Miklos
Andre Mendiburo:
Andre Mendiburo, Eduardo Conde, Rodrido Figueroa
Mark (Carcass):
Arvid Larsen, Jeff Fenholt, Dane Donahue, Ted Neeley Live 93, Ted Neeley Live 95, Dave Willets, Sammy Turner, Darryl Lovegrove, Daniel Beretta, Erique Del Olmo, Vladimir Dyadenistov, Tony Hadley Live
Some dude I don't remember:
Bruno Wintzell, Takeshi Kaga, Kamil Støhavka Live, Frank Odjidja, Gospel Choir, Tobias Bode, Szomor Gyrorgy, Dave Willets 2, Richard Krenmaier
Thomas Funch:
Colm Wilkinson, Michael McGillis, Bruno Wintzell Danish
Evan M:
Kristian Vetter, Pablo Abraira, Michael McGillis 2
Mktrtle:
Peter Orm Gudmundson, Billy Porter, Fazio Galvan, Reiner Schone
Websites:
Juraj Macko, Eduard Grach, Steve Balsamo Live, Gary Cherone, Geoffrey Fowler
Sean W
Sean Whiteford, Brad Sieberking
Bought:
Brian Keith, Kris Phillips, Martin Jay, Danny Zolli, Karaoke (bad), French Audio Track
Recordings I made, or were made for me:
Evan Grubbs Funny, Evan Grubbs, Matthew Minix, Mark Chinworth
I forgot:
Mike Redway
If I forgot any, let me know.