An American in Paris (Vincente Minnelli, 1951).

Excerpt: the final ballet sequence, photographed by John Alton, choreographed by Gene Kelly. "While Alton's lack of experience with color struck many (at MGM) as a liability, Minnelli realized that his evocative style wouldn't be tempered by preconceptions as to what the Technicolor cameras could or couldn't achieve...(N)othing would ever surpass the American in Paris ballet for bright-hued, delirious abstraction." --Stephen Harvey,

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