Topic

Frequency Library

Explore Harmonance frequencies by tradition, theme, and listening context. Each entry is educational, claim-safe, and free to preview.

Topics organise education. They do not imply medical efficacy.

Listen first

Use education while playback continues.

Topics gather plain-language guides that explore the listening tradition behind the tones.

Open library

Topic guide

Topic context

The Frequency Library is a free guide to tones used in sound-healing, meditation, numerology, Solfeggio, and planetary listening traditions. Each page explains the source context, common associations, safe listening guidance, and the limits of exact-frequency claims.

Frequency Library resources

Research review

111 Hz: A Quiet Tone in the Angel Number Tradition

An honest look at the 111 Hz tone: where it sits in the modern angel-number tradition, what listeners describe, and how to use it gently in a reflective practice.

Reviewed 26 May 2026
Research review

126.22 Hz: The Sun Tone in Cousto's Planetary System

An educational guide to the 126.22 Hz Sun tone: where the planetary tuning system comes from, what listeners notice, and how to use it gently in a reflective practice.

Reviewed 26 May 2026
Research review

144.72 Hz: The Mars Tone in Cousto's Planetary System

A grounded guide to the 144.72 Hz Mars tone: where the planetary tuning system comes from, what listeners notice, and how to use this brighter reference in a steady pr...

Reviewed 26 May 2026