Tesla said it. Science proved it. It is a known fact that everything -including our own bodies- is made up of energy vibrating at different frequencies. That being said, it seems logical to wonder, can sound frequencies affect us?
Taiji, the "Supreme Ultimate" state of undifferentiated absolute and infinite potential is the oneness before duality; from here Yin and Yang originate. (Guide to the I Ching, China's most popular means of divination)