The Frequency of the Earth's Energy | 174 Hz 174 Hz Solfeggio Frequency Relieve Tension and Pain | Heal Emotional Trauma The Solfeggio scale's lowest frequency, 174... 174 hz 174 hz frequency 174 hz frequency benefits 174 hz heal emotional trauma 174 hz healing frequency 174 hz music 174 hz pure tone 174 hz pure tone music 174 hz relieve tension and pain 174 hz solfeggio 174 hz solfeggio benefits 174 hz solfeggio frequency how to use 174 hz solfeggio solfeggio 174 hz