TEDTalks John Walker re-creates great performances

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TEDTalks: John Walker Imagine hearing great, departed pianists play again today, just as they would in person. John Q. Walker demonstrates how recordings can be analyzed for precise keystrokes and pedal motions, then played back on computer-controlled grand pianos. Software entrepreneur John Q. Walker uses computers to bring piano legends back to life -- digitally reconstructing their performances from audio tracks and playing them on real instruments, live. Full bio »