They all have announcements (run them in Subway auto mode) and they are all different. My White Sox CTA cars are the red line and stop at 35th / Comisky Park. My Bears CTA cars are the Brown line. My Yellowbook cars.... I don't remember (will have to check). My Bicetennials are the old Englewood-Howard "A" train.
I do have the Bicentennials posted as a video on my YouTube page if you want to hear it. I plan on doing vidoes for all of them in the next few months.