Chakra Quartz Tuning Fork Cameroon Healing Tuning Fork Percussion Instruments Yoga Meditation Set Chakra HarmonizerProfessional sound therapists must have 3 groups of tuning fork function introduction and demonstration Angel sound It is also explained that the Pythagorean scale is developed as the standard. These sounds in turn are linked to the angelic kingdom, and through the sun become a carrier for the transmission and reception of energy between the universe and Earth. To enhance the effect of meditation and crystal energy and to aid in purification and