Solfeggio frequencies: where they come from and what the evidence says
Where the Solfeggio frequencies really come from, from Guido d’Arezzo to a 1999 book, and what the few small studies on 528 Hz actually tested.
Where the Solfeggio frequencies really come from, from Guido d’Arezzo to a 1999 book, and what the few small studies on 528 Hz actually tested.