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Count Me In: How Mathematics Explains Music

Professor Emerita of Mathematics

52:14·2026·undergraduate level·Public Colloquium

Professor Sarah Hart explores the profound, often subconscious, mathematical structures underpinning musical harmony and rhythm, revealing how number theory and group theory elucidate our aesthetic responses to sound.

The great mathematician Gottfried Leibniz said that music is the pleasure the human mind experiences from counting without being aware that it is counting. We love it, in other words, because it is the mathematics of the subconscious.

Sarah Hart is a mathematician and author and Professor Emerita of Mathematics at Birkbeck College (University of London).

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