Yes, anyone can log onto your "anonymous" band's MySpace...

Yes, anyone can log onto your "anonymous" band's MySpace page and hear the music. So, in theory you have gotten your music in front of 5 billion people. The other thing is that something has to cause them to go to those bands MySpace page, and it's that reliance on taste makers or radio, that is still very much a part of how music is sold and marketed.