Ever since he discovered information about the Earth Resonance Frequency (ERF), Dean Evenson has included that sub-audio tone under the mix in his healing music albums. We've had lots of requests for more information so here is some background on why it is such an important frequency and why we use it. Our physical body is affected by vibrations that are below the range of hearing. One ultra low frequency is called the Earth Resonance Frequency (ERF). This common frequency of our beautiful planet is located primarily at 7.83 Hertz or cycles per second. One reason we are interested in...