We were playing a mid-afternoon wedding at a nice hotel. We were a pretty good wedding band and could even get the crowd dancing during daylight events. Not bad!
All was going well until the hotel wheeled out the dessert table and placed it directly in front of the band's PA system. One of the guests, a lady of about 300 pounds, ran up to the table and proceeded to make a scene yelling "turn it down, you're too loud, we can't hear" in between stuffing her face with chocolate cake and petits fours.

I guess she couldn't figure out why the band would turn up the volume just to disrupt her snack.