I've recently added a Schumann Resonance frequency generator into my treatment room This is often referred to as the Earth's natural frequency, a gentle, grounding vibration that exists naturally around us. Has anyone heard of the Schumann resonance? It's the heart beat of the world, it's vibration. There's a spiritual aspect related to this graph and theory. I follow it closely, wondering if Schumann 93.96Hz Tuning Fork Vibrate and Align Myriad Melodies 93.96Hz Schumann Weighted Tuning Fork with World Grid Engram Carry Bag and Striker Sound Healing