Brent Spiner, Sid Page, David Low, Rick Gerding, Dennis Karmazyn, Mario DeLeon, Natalie Leggett, Alan Estes, Ken Yerke, Rick Baptist, Matt Funes, Endre Granat, Armen Ksajikian, Warren Luening, Liane Mautner, Anatoly Rosinsky, Sheridon Stokes, Jim Thatcher, Irina Voloshina, Tommy Johnson, Steve Erdody, Oscar Hidalgo, Ed Meares, David Riddles, Tony Cooke, Gregory Goodall, Gary Bovyer, James Kanter, Brian Dembow, Eun Mee Ahn, Alan Grunfeld, Christian Kollgaard, Christine Ermacoff, Dane Little, Drew Dembowski, Susan Ranney, Ana Landauer, Mark Sazer, Darrin McCann, Cecilia Tsan, Rick Todd, Phil Teele, Phil Yao, Richard Altenbach, Phillip Levy, Jacqueline Brand, Katia Popov, Roger Wilkie, Louise DiTullio, Vanessa Freebairn–Smith, David Allen Duke, Malcolm McNab, Katie Kirkpatrick, Janet Lakatos, Mihail Zinovyev, Timothy Landauer, Árni Egilsson, Earle Dumler, Mark Robertson, Robin Olson, Emily Bernstein, Simon Oswell, Phillip Ayling, Victoria Miskolczy, Steve Schaeffer, Amy Hershberger, Brian O’Connor, Jennie Hansen, Donald J. Williams, John Ellis, David Speltz, Clayton Haslop, Lily Ho Chen, Michael O'Donovan, Pat Johnson, Haim Shtrum, Miran Kojian, David Walther, Franklyn D’Antonio, Marlow Fisher, Rafael Rishik, Bruce Morgenthaler, Julie Gigante, Ken Munday, Tamara Hatwan, Steve Becknell, Rene Mandel, Michael Lang, Ron Folson, Lisa Sutton, Karen Van Sant, Steve Edelman, Paul Cohen, Peter Sheridan, Andy Malloy, Peter Limonick, William Booth ont participé à l'enregistrement de Blue Skies.