The Solfeggio scale's lowest frequency, 174 Hz, is the frequency of the Earth, which establishes a link between humans and the earth. 174 Hz operates as an energy anesthetic, and it is excellent for relieving tension and pain. 174 Hz promotes a sense of security and has a mellow, calming quality. As a result of listening to 174 Hz, your muscles will relax, and will cause you to feel less stressed.