Binaural beats have been around for in excess of one hundred seventy a long time, to become exact. Found out by Heinrich Wilhelm Dove in 1839, but hardly ever applied. Even so, in 1973 Gerald Oster revealed an post in Scientific American entitled "The Auditory Beats of the Mind." https://thetafrequency7hz32086.blogoscience.com/17721698/theta-frequency-7hz-deep-meditation-to-manifest-abundance