The Solfeggio Frequencies

What they are

Six notes from a hymn, and three that complete the set

Guido d'Arezzo, a Benedictine monk, needed a way to teach monks to sing chant from sight a thousand years ago. He named each note after the first syllable of a line in the Hymn to Saint John the Baptist: Ut, Re, Mi, Fa, Sol, La. That is where do-re-mi comes from, and those were the tones the Gregorian monks chanted with. The scale fell out of use, was rediscovered in the 1970s, and three further tones complete the pattern. Nine in all.

What each one is for

You pick by what is going on

• 396 Hz fear, and the guilt sitting underneath it
• 417 Hz undoing what will not move, and old trauma
• 528 Hz the love frequency, and self-love first
• 639 Hz relationships, including the one with yourself
• 741 Hz clearing what you picked up that was never yours
• 852 Hz seeing past the story you keep telling yourself
• 174 and 285 Hz the body ones: pain, repair, a sense of safety
• 963 Hz reconnection, for those already on that path

One thing matters more than any of the above: these are meant to be played out loud through a speaker, not through headphones. The tone needs to move through the room and through your body, not just your eardrums.

On the other side

What you get, free

• All nine tones, generated live, with water, ocean, rain, wind, birds, crickets and bowls to layer underneath
• What each frequency is traditionally used for, and when to reach for it
• How to listen, how long for, and why the speaker matters
• The full story: the hymn, the rediscovery, the mathematics, and what the research has actually measured

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