As an avid fan of Chicago, I have attended over 25 of their concerts. I'm sure the Chicago CTA (Chicago True Advocates) fan club boasts members that have even seen them since the beginning (1967) ...
3/29/02 concert in Dallas, TX
Keith, Robert, Lee (singing) and Tris of "Chicago" (Greek Theatre in Los Angeles)
3/29/02 concert in Dallas, TX
Robert, Tris & Jimmy (Greek Theatre in Los Angeles)
