Maybe these kids never seen a piano before, let alone someone who knows how to play one. The kids were smashing the keys on the piano as the musician tried to play. The woman didn't stop them from interrupting him either. And, like a genius, this dude just kept playing and didn't say anything or start some drama. They're just kids, so they don't know any better - and that's because the woman with them didn't bother teaching them any manners.
