Healing Sounds: The Power of Harmonics (4th Edition)

This presents a step-by-step process of vibrational activation using sacred and healing sounds. It shares easy-to-follow sound healing exercises, such as "Vowels as Mantras" for chakra chanting and "Overtoning," which can be used as sonic yoga for meditation and deep relaxation. It also explains how harmonics can enhance energy and resonate the chakras, the energy centers of the body.