Yowza, Don.

I didn't find his son's band played too loud. Then again, I enjoy music pretty loud. Another act that played there... now he was VERY loud. He could get too loud.

Plus, this question also pertains to just keeping regular Joes off your turf. People come up and lean into your equipment or stumble on a cord or whatever and break something really important. I dunno, you want to be friendly with people... but...