MetaChat is an informal place for MeFites to touch base and post, discuss and
chatter about topics that may not belong on MetaFilter. Questions? Check the FAQ. Please note: This is important.
Is this real? I mean, is he really hitting all the notes perfectly like that? I kind of feel like the sequence is pre-programmed and he just has to hit anywhere with the balls. I mean, he throws two with one hand and they both hit the right (different) notes? That's nuts.
In the later performances, it looks like he's adapted some juggling moves in order to juggle downwards and bounce the balls of the piano surface. So if you juggle in the same way each time, the balls should go in the same direction, even if you're not really aiming them.