The interval of the tritone (an augmented fourth, known as the "devil in music") emerges throughout, lending an eerie, uneasy atmosphere to the work.

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Deeply religious, she tried to steer the young man from the devil's music with violin lessons.

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Many parents and ministers harshly objected to Norman's use of the "devil's music, " but the children of the '70s Jesus Movement found in him a radical hero.

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