Sharon:Hello and welcome to the Mudcat. You might want to check out these threads:
Gig from hell
Your absolute worst audience ever
Dealing with hecklers
though if I recall correctly, these threads are more of an exchange of war stories then a discussion of what to do about problems.
If you want advice on dealing with a particular kind of nastiness you're encountering, don't hesitate to start a thread explaining the dilemma; I have no doubt that many people will offer suggestions, and link you to relevant earlier discussions if there are any.
Rick:
Speaking of smartass titles (I was kind of proud of "wanting to try some new positions" myself), and music threads that should get ongoing attention, I'm just about to add a question to one of the classics. I hope you have time to look in.
Marion