07听Be Nice To People Try and see yourself as a business.
"Making friends in a venue is always good advertising."
James Baker
Venue Manager
Carry yourself in a professional manner and be polite and respectful.
The reason for this is that it's a small world and the music industry is even smaller.
Promoters don't always have time to be at every event they're involved with and they often rely on feedback from other people.
These can be barstaff, cloakroom staff, bouncers and engineers.
Even more importantly A&R attending boring PAs will often end up having a drink at the bar and asking the staff if they've seen any quality artists lately?
A good impression made by you can mean you're still being talked about and recommended, weeks later.