Keith Howland
Gitarre
Tris Imboden
Drums
Lou Pardini
Vocals, Keyboard
Lee Loughnane
Trompette
Jason Scheff
Vocals, Bass
Walter Parazaider
Flute, Saxophone
James Pankow
Trombone
Robert Lamm
Danny Seraphine
Terry Alan Kath
Vocals, Gitarre, Bass, Drums, Accordion
Peter Cetera
Laudir de Oliveira
Percussions
Bill Champlin
Vocals, Gitarre, Keyboard
Williams - Friestedt
Donnie Dacus
Dawayne Bailey
Chris Pinnick