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"No, it's not the Boyz II Men reunion tour, these are three other singing robots manufactured into a performing trio. The animatronic heads from artist Nathaniel Mellor are part of a $75,000 art piece on sale at Art Basel Miami Beach 2009. The artificial faces are controlled by servos which in turn are controlled by a computer. The uncontrolled fear you'll feel when watching the video is, however, completely natural."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/12/04/creepy-robotic-heads-serenade-your-wallet-from-deep-inside-the-u/>