Vihart: Peace for Triple Piano. (YouTube 3D video, 4:15min)
This has got to be one of the most amazing things done with a 3D camera I’ve ever seen. Pro tip: Watch this in fullscreen mode on your phone so you can look around by moving the entire phone, and use headphones to get the full 3D sound effect as well.
Make sure to also watch
Henry Segerman: The Making of “Peace for Triple Piano”. (YouTube video, 13:52min including a “flat” version of the above 3D video).
In this video Vi Hart and Henry Sergerman explain how the video works: how they made one grand piano and one Vi look like three, but one Henry look like only two at the same time.
Vi writes a little more about this project on her weblog: Vihart.com: Peace for Triple Piano.
(This was published back in February, but I only now realized that the RSS feed of this YouTube channel stopped working.)