As a busker, one thing that does not work is self-consciousness. A busker needs to be working. A busker needs to shed all ego and get down to work. Play your songs, play them well, earn your money, and don't get in people's way.
It is easy to see why a diversity of cultures should confront power with a problem. If culture is about plurality, power is about unity. How can it sell itself simultaneously to a whole range of life forms without being fatally diluted?