I also have perfect pitch, and it was actually an article posted here on HN that made me realize no, I'm not crazy, my perfect pitch has gone flat with age (I'm 29) and having not played violin regularly.
Me and a friend figured it out, I've pitched down from the 440 Hz standard to 428 Hz.
Me and a friend figured it out, I've pitched down from the 440 Hz standard to 428 Hz.