For sure I know all that controversies about this 432 Hz debate...But I am very conscious also about the real impact on the body of frequencies choosen sounds...
How about this scientific reference to establish some balance with this subject and not throwing the baby with the bathwaters(sometimes dirty waters and I am conscious about your careful point and the debate about tuning).
https://www.researchgate.net/publication/327439522_Effect_of_528_Hz_Music_on_the_Endocrine_System_an...
and this one is relevant to our last discussion also and also this one...
Inaudible High-Frequency Sounds Affect Brain Activity: Hypersonic Effect
https://www.physiology.org/doi/pdf/10.1152/jn.2000.83.6.3548