>>>8825933 (LB)
>that's a mischaracterization.
>Yes, tuning the instruments properly works, but that video is such an oversimplification, that it actually confuses the real intent.
>432hz only works for keys with A as the root note.
>For any given key, the calc has to be done for the corresponding root note of the key.
>…so all of the different root notes will have their own frequency that is closer to being divisible evenly into the ~8hz root frequency.
Someone who tunes pianos can show your ears with a piano.