DESCRIPTION:
The difference between an ( A = 432 hz ) and an ( A = 440 hz )
Hear it
Understand it
Sorry for spelling mistakes: I usually dont speak english
Sorry for the ''not that much'' quality audio, I made a couple of chords with Reason_5 software just to show the differences.

You can easily change the pitch of all your audio files with Audacity (free)
Just Google: change pitch 440 hz to 432 hz with audacity!
We need to be harmonised with our world