Instrument Resonances

Didgeridoo (Fundamental)

65.00 Hz

Note: C2

Cosmic Octave Color

Derived visible color (524 nm)

Display swatch #51c453

EstablishedInstrument / Acoustic Reference

Evidence Level

Established

Source Count

Last Reviewed

March 23, 2026

Directly measured, standardized, or well-supported in mainstream scientific or technical literature.

This entry describes an instrument or resonance reference. Therapeutic outcomes depend on context, level, instrument build, and listener response.

Review the evidence model

The didgeridoo produces a deep drone typically around 50-80 Hz. One of the world's oldest instruments (40,000+ years). Rich in overtones through vocal tract shaping (circular breathing). The low drone can induce meditative states.

Wavelength

5.28 m

Nearest Note

C2 (-11¢)

Claim Type

Instrument / Acoustic Reference

Cosmic Octave Color

Derived visible color (524 nm) · #51c453

Source

Aboriginal Australian tradition

Sources

Traditional and Practitioner Sound Sources

1 atlas references

Historical, cultural, and practitioner sources used to document how frequencies are talked about in practice communities.

Traditional and practitioner sound-healing sources.

Historical Use

Aboriginal ceremony, healing, trance induction (40,000+ years of use)

instrumentdidgeridooaboriginaldrone