old fag here
found this interesting while I was searching why my catalytic converter was rattling
don't agree with his conclusion but he lays out the truth of vibration
432Hz VS 440Hz
https://www.youtube.com/watch?v=Rt3EAPDn-Ug
i know
what a coinkydink
maybe it was because i was also listening to hotel california-eagles
research music vibration and the rockafellafucks
you should research brad cowan, a student of wd gann