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Curated Solfeggio reference tones — listen and compare.
528 Hz
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These frequencies appear in some musical and meditation traditions. This hub plays pure reference tones — not medical claims.
Select a preset, tap Play, and listen at comfortable volume. Compare timbre with 432 Hz or 528 Hz fixed pages.
No peer-reviewed evidence supports healing from listening alone. Use for musical comparison and personal interest.
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Tonal references used in some meditation and music traditions.