Loudly. With the wrong words. And so out of tune you can't be sure they're even singing the same song, let alone in the same key? In fact, you can't actually be certain they aren't experiencing some sort of medical emergency that requires the attention of that really hot paramedic you saw when you bought your $9 beer.
I guess they're having a good time and that's important. After all, they paid for admission, just like me. When I'm feeling charitable, I usually kinda laugh, appreciate the fact that they're in the moment, and turn my attention back to the show.
When I'm not feeling so generous, I really wish they'd just shut up. I paid to hear Bono, not someone strangling a goat with a Slinky!
Or, maybe sometimes more annoying is the Super Fan. You know the ones. The ones that travel in herds to every show on the tour. They don't just sing along, they sing the harmony. In an intimate venue, trying to enjoy an acoustic set, it's all I can do to NOT turn around and punch them all in the face. You are grown-ass women! He is not your friend - he sees you coming and looks for security because he is AFRAID of you wackos. Get a life!
I do my best to continue my Snoopy dance and enjoy the experience while they do their thing but ugh.
P.S. Yes, I've been known to sing along at a concert. But I would never ever do so in an annoying way. Because I'm