So A = 440 Hz rather than 432 Hz is not a Nazi conspiracy; it was just Mozart hitting his 30th birthday vs. when he was young? We can finally be at peace that J

So A = 440 Hz rather than 432 Hz is not a Nazi conspiracy; it was just Mozart hitting his 30th birthday vs. when he was young? We can finally be at peace that Justin Bieber's pop song is tuned to 440 Hz... /s