Hey man... I'm starting to believe. Although piano frequencies are so rich in all layers and I cannot just make sense of changing it a bit down and spiritual implications... It just dazzles me...

But I will try it myself and see what happens .

I did a 435hz tuning once in my old 120 years old piano and it felt good... Like mellow and looser in vibes.

Now I have my pianos in a Coleman 11 temperament that I really like.

What is your point of view on that 432hz? I'm about to try it I think in my pianos