THE DEFINITIVE GUIDE TO FREQUENCY BAND FROM 30 TO 300 MHZ

The rediscovery of the ancient solfeggio frequencies established in motion a journey of exploration into the sphere of sound therapy. In the 1980s, biochemist Dr. Glen Reins performed even more exploration on sound frequencies, hunting into your influence of sound waves to the human human body.The A4 at 440 Hz is highlighted around the chart. For a