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Why Concert Pitch Is A=440 Hz

12tone · Explainer · 10 min · 2019 · YouTube title: How A London Orchestra Broke International Law
Why it's here

HN recommends it as an interesting explanation of how concert pitch ended up at exactly 440 Hz.

What it covers

12tone tells the story of pitch inflation and how concert A came to be standardized at 440 Hz, including attempts at legal standards. It is a short music history explainer.