Just because people online repeat the same "fact" as gospel truth doesn't make it beyond debate.
Where is the solid research proving 440 to be "negative"? Studies have been done on music for many decades showing positive effects without tuning to 432hz.
https://psycnet.apa.org/fulltext/2016-22733-001.html
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0007487
Just because people online repeat the same "fact" as gospel truth doesn't make it beyond debate.
Where is the solid research proving 440 to be "negative"? Studies have been done on music for many decades showing positive effects without tuning to 432hz. https://psycnet.apa.org/fulltext/2016-22733-001.html