>>7914755 (lb)
440hz is known as the devil's frequency. It's said it could make you insane or even commit suicide if you played only that.https://www.shiftfrequency.com/curious-case-of-432-vs-440/
MK Ultra Much?
https://www.youtube.com/post/UgxC4Cb_lj9x2HGcCYp4AaABCQ