Several of the frequencies mentioned can be found from the BetterSleep app To combine with other sounds or content. Combining stress-free piano music with the Solfeggio frequencies equivalent to the 7 Chakra’s, these tracks descends from the binaural beat frequencies for the theta waves ( 8hz to 4hz) to https://benefits-of-396-hz-music04814.howeweb.com/32674365/about-one-third-octave-frequencies