With you there don. If they want others to listen to them, they ought to reciprocate. And when there are a lot of musos waiting their turn, waiting till they are on to get guitar out of case and then tune up is plain inconsiderate, and probably betrays a you are in for a treat attitude.         As far as stands and songsheet is concerned, making an issue out of it will only make it harder for struggling singarounds to survive if the less confidant are discouraged. I don't get paid and I am not obligated to be "professional"