Why is tradional chinese music pentonic

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Most Chinese music uses a pentatonic scale, with the intervals almost the same as those of the major pentatonic scale. And it is bc the effect of shifting from a major to a minor key in Western music.

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it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

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