Episode 141 - The Physics of the A=440 Hz Conspiracy

A conspiracy idea is that part of Nazi Germany propaganda was to redefine the musical standard for the world, moving it up in pitch from a standard A4 note that vibrates at 432 Hz to the more jarring 440 Hz which allows mind control and agitates people to be more war-like. I look into this claim from a physics and physical standpoint to determe if it could have any validity.