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A 13-minute video by 3Blue1Brown about music theory and acoustics, on the Music and sound shelf. A commenter in r/musictheory recommended it.
3Blue1Brown, Video, 13 min, 2015, on the Music and sound shelf
Connects consonant musical intervals to measure theory and rational numbers.
32 min
The Mathematical Problem with Music, and How to Solve ItFormantMentioned in r/musictheory
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