Wow, a lot of great replies. But it seems that loud music and rap are the biggest beefs with people.
Today I went to my local hall and got there as early as I could, which was around 1215. (they open at 11)
I was the only one in there at first, and there was no music. A couple came in about 20 minutes later and immediately lit up the jukebox (which I really don't mind), but for some reason when it played, it seemed to be on the highest level it can go. It must still be on the loud setting from Friday night or something.
Next time I'll have to remember to ask the bartender/manager to see if they can lower it, but I'll probably wind up just dealing with it; though I will have to admit no matter how much I try to tune it out, certain songs inspire me while others just make me play angry.