...Play a music in 440Hz and in 432Hz, and see which one you prefer. Most people choose the 432Hz version, and it's hard to go back to 440Hz.
This application uses a very high-quality pitch-shifting algorithm with low CPU usage.
Supports Windows (Win 7 SP1 or later) and Linux (all distros).
Installation instructions
https://github.com/mysteryx93/HanumanInstituteApps/wiki/432hz-Player
From Etienne Charland aka Hanuman, by a lightworker in his free time.
https://www.spiritualselftransformation.com/