The solfeggio scale consists on 9 special notes which are not included in our standard musical scale. The Solfeggio tuning forks: 174 Hz: Foundation / 285 Hz: Quantum healing / 396 Hz: Grief into joy / 417 Hz: Transformation / 528 Hz: Love / 639 Hz: Harmonizing relationships / 741 Hz: Cleansing and detox / 852 Hz: Intuition / 963 Hz: Return to (Divine) order. Every solfeggio tone has certain qualities which are harmonizing soul, mind and body. Listen to this music with good ear phones!