| Daniel De Los Reyes (Percussion) (..__) |
| Danny Seraphine (..__) |
| Drew Hester (Percussion) (..__) |
| James Pankow (Trombone) (..__) |
| Jeff Coffey (..__) |
| Lee Loughnane (..__) |
| Loren Gold (Keyboards) (..__) |
| Lou Pardini (Keyboards) (..__) |
| Neil Donell (Acoustic Guitar) (..__) |
| Peter Cera (Bass Guitar) (..__) |
| Ramon Yslas (Percussion) (..__) |
| Ray Herrmann (Saxophone) (..__) |
| Robert Lamm (Keyboards) (..__) |
| Terry Kath (January 31st, 1946 to January 23rd, 1978) (Guitar and Vocals) (..__) |
| Tris Imboden (Drums) (..__) |
| Walfredo Reyes Jr. (..__) |
| Walter Parazaider (March 14th, 1945 - June 17th, 2026) (..__) |