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The Frequency They Changed — And Why Everything Sounds Wrong

Posted by Wm on March 2, 2026 at 4:46am

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Beethoven’s tuning fork (A=455.4 Hz) proves A440 was not “natural” but chosen. From France’s 1859 diapason normal (A=435) to Verdi’s 432 Hz appeal, then the ...

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The Frequency They Changed — And Why Everything Sounds Wrong

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