Anonymous ID: 4188c6 May 25, 2022, 10:31 a.m. No.16339621   🗄️.is 🔗kun   >>9633

Did you know…

 

Studies suggest 432hz "A" music tuning is healthier than 440hz "A" tuning?

 

https://pubmed.ncbi.nlm.nih.gov/31031095/