No, don't go to Cubs A.C. Saturday night is Karaoke night, starting at 10.
It's an ok place, if a bit of a dive, 6 days a week. I went there a couple of years ago to watch a hockey game on a Saturday night in May, and it was fine until they started setting up for karaoke at around 9 pm. They even turned off the TVs.
If you plan on leaving before 10 pm, obviously, there won't be any problem, but don't plan to watch a night game there.