I have the same feelings about talking audience members as Rick. As a matter of fact I went to an event in my old home town and someone I hadn't seen it over 30 years said she remembered me as the person who insisted everyone shutup while someone was singing in the 'Coffee House' she had once in a while in her parents basement.

I would like to provide one further example of why I stopped going to bars to listen to performers. There was a 12 hour event held at the old Albert's Hall in Toronto in honour of all the open mike stages that were around at the time. The best of the open mike acts were scheduled to play throughout the day. Being a keener I showed up at the beginning and being stubborn I stayed for about 5 hours. I eventually left because of the rude folks in the audience. The shocking thing, to me, was that the worst offenders were the other open mike performers who had either had their turn or were waiting to go on.