Is it possible? (Score 1)

"and I'm pretty damn sure that such a thing is impossible.

I was actually joking more than being paranoid, but I think that such a thing is possible.

They key to this would be something that would digitize what is being played, analyze the patterns, and compare it to existing song parameters.

"setup there has to be some point where the computer red-flags what you're playing, compares it to a staggeringly huge database of known melodies, markes it as copyrighted and cuts off all signal to your speakers."