At 10 a.m. on a recent December morning in Beckman Auditorium, nearly a thousand L.A. County school children chuckle, whoop, and occasionally applaud as they take in the controlled mayhem playing out on the video screen in front of them. A minute and a half into a chain-reaction sequence worthy of Rube Goldberg, a soccer ball falls off the end of a track, hitting a plank, which causes a suspended piano to crash to the ground, which trips a lever that sends a shopping cart down a ramp, spewing its contents, which (eventually) unleashes a hanging sledgehammer that smashes a TV, which ultimately causes a row of cannons to splatter four white-overall-clad musicians with brightly colored paint.
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