'SCORE' Clip Premiere — Inside The ‘Circular Madness’ That Made ‘Psycho’ Terrifying

Movies are defined by their music ― particularly horror movies, where a score can convince us that any given scene contains more terrors than it actually does.

Take, for example, Janet Leigh’s murder in “Psycho.” The famous shower scene is fairly elusive; you hardly see any violence, but the score is terrifying enough to suggest its grisliness.

HuffPost has an exclusive clip from Score: A Film Music Documentary that demonstrates the effectiveness of the famous Hitchcock moment. Remove the screeching melody, and the impact is lost.

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