Our worst frienemies, the quadrocopters , have decided to act cute for the holidays and play us a merry little jingle. Yes, the guys and gals behind the Flying Machine Arena have put together an airborne robot sophisticated enough to lay down a few seasonal notes on a Yamaha electronic keyboard. And we're still sitting around debating inconsequential topics like net neutrality -- all of human civilization is at stake here, people! Be a good citizen and watch the video after the break to scout out any weak points to this most imminent threat to humanity's survival.