The ability to have a soundtrack in your life that always fits.
Your life now have a soundtrack it goes wherever you go and it always fits the situation you're in, you can make also other people hear the soundtrack. However, you cannot stop hearing the soundtrack yourself.
1. Soundtrack always fits.
2. It can help you focus on something.
3. It can raise your awesome level in eyes of your friends.
1. You cannot turn it off, you don't hear it only when you sleep.