The Solfeggio frequencies are a set of tones used in sound therapy, meditation, and spirituality, believed to have healing and spiritual effects. These frequencies are derived from an ancient musical scale dating back to Gregorian chants and have been associated with specific properties for enhancing well-being and personal transformation. There are various versions of the Solfeggio frequencies, but they generally include nine main tones:

1. 174 Hz: Often associated with energy release and pain reduction. It's believed to help release emotional blockages.

2. 285 Hz: While not part of the traditional Solfeggio scale, it's sometimes mentioned in sound therapy contexts and associated with earth resonance and stability.

3. 396 Hz: Known as the "Release Frequency," it's believed to help release fears and emotional blocks, promoting transformation.

4. 417 Hz: Sometimes called the "Change Frequency," it's associated with releasing negative influences and resolving internal conflicts.

5. 528 Hz: Considered the "Love Frequency" or "DNA Healing Frequency," it's believed to have powerful effects on healing and spiritual connection.

6. 639 Hz: Known as the "Relationship Frequency," it's associated with improving interpersonal relationships and harmony.

7. 741 Hz: Referred to as the "Expression Frequency," it's believed to promote problem-solving and authentic expression.

8. 852 Hz: Often known as the "Intuitive Awakening Frequency," it's associated with consciousness expansion and spiritual connection.

9. 963 Hz: Called the "Unity Frequency," it's believed to encourage pineal gland activation and connection with higher states of consciousness.