Unless you are on a beach with a bunch of your friends, walking around a busy city with one of these just illustrates how self-centered that person is that they

Unless you are on a beach with a bunch of your friends, walking around a busy city with one of these just illustrates how self-centered that person is that they think their music is the best music and everybody should listen to it. In reality most don't even care, and at worse you are just making a bunch of needless noise. It's just a failure of thinking about other people and thinking that maybe your taste is not everyone else's taste.