BMW would like to show you its balls
Found at BMW's museum in Munich, the kinetic sculpture's 714-ball sculpture is held together by invisible cords. The music, however, is held together by pure emotion.
The comments at YouTube approach the Platonic form of a YouTube comment thread.
via Geekologie

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That was pretty cool... although, to be honest, from the moment you said that it was from the BMW museum, I kept waiting for the silhouette of a car to form... and lo and behold, it did at the end. Ah, predictability.
The official website doesn't say who's done it, but it appears that the design and implementation comes from ART+COM.