Nobody likes it when someone blares their music publicly for everybody to listen to. Even if you have your noise-canceling headphones, it's annoying and attention-seeking behavior that gets on most people's nerves. I believe some people do it for attention, but the vast majority do it because they don't care about how other people perceive them. They're just in their little world and don't care if their choices annoy people for however long. Parents especially are guilty of allowing this to hap…