The first book to explain from both scientific and spiritual perspectives the healing and transformative powers of harmonics.
* Includes practical exercises demonstrating how to use sound in healing and meditation, including "Vowels as Mantras" and "Overtoning".
* Describes how harmonics can be used as "sonic yoga" for meditation and deep relaxation to enhance energy.
The Mystery Schools of Egypt, Greece, and Rome understood that vibration is the fundamental active force in the universe and developed specific chants and tones for healing the mind, body, and spirit and achieving altered states of consciousness.
