I love to sing anywhere - anytime! In stores, at work, in the car -- it doesn't matter to me! And I've only received pleasant responses from others also. Jam sessions and rehearsals are the most fun for me because of the informal nature and the ability for us all to "go with the flow" and just let our feelings lead the way! I don't usually go to concerts where singing along is not welcomed and, for me, a good CD or tape is one that I can sing with rather than just listen to! :) Yes, live music is very important and I agree with everything said above!