I think that in order for music to be heard in a lot of different situations you have to always consider that.
People who say they're not nervous - I would be kind of curious to see how successful you are at what you do and how long you've done it. And what is success in your eyes? Have you separated yourself from everyone else in that craft? Or have you settled amongst the pack?
Nonviolent action does not have to get others to be nice. It can in effect force them to consult their consciences.