If you are not familiar with the Internet sensation that is “Gangnam Style,†then we would point you first to the actual music video (be prepared to lose an hour) and then to this Atlantic long-read on the South Korean viral phenomenon. It’s important to do this now, because Psy, the K-Pop star in question, just signed to Bieber-maker Scooter Braun’s label, and he is scheduled to appear at this Thursday’s VMAs. In other words, there is much more hyperactive gallop-dancing to come.