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Why we love repetition in music - Elizabeth Hellmuth Margulis

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Repetitiveness is so necessary for living according to Ratliff, everyone wants a house, a nice car, and some money. Ratliff says music doesn't have to be symmetrical. Therefore music can have all types of different sounds and different. People like rhythm in a song so a lot of music is repetitive. Artists aspire to make their music unpredictable so that people don't thing there music is too obvious. Another thing Ratliff says is music either by design or accident can communicate happiness or sadness.

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This video below shows how music can be symmetrical.

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Start with a numerical representation very similar to Golden Ratio base, using b = (3+sqrt(5))/2. The golden ratio base is very nearly symmetric around the radix point allowing irrational parts to cancel each other off. With base b, the symmetry becomes complet

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But music doesn’t have to be set at right angles. It does not have to be square or symmetrical or neatly sequential. There are other shapes and motions a musician or band or composer can make to achieve the condition of music, or what the composer Edgard Varèse called “organized sound.”

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We love to have music help us with repetitive motion, because there is so much repetitive motion necessary for living. It gets things done. We go to work, we chop the onions, we wash the clothes, we pay the bills, we make the deadlines. Repetitive motion brings us to the end of the work, one motion at a time.