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It's called "Circus Galop" or "Death Waltz", and it's used to test the performance of player pianos. No single person has ever played it...so far. But if we can put a man on the moon, surely we can genetically engineer a superhuman species that can perform it.
-via Boing Boing
Ah, there's a new passive-aggressive term for faint praise. "Fine for testing machines."