A few of the frequencies described can be found during the BetterSleep application to mix with other sounds or information. Combining stress-free piano music with the Solfeggio frequencies similar to the 7 Chakra’s, these tracks descends with the binaural beat frequencies towards the theta waves ( 8hz to 4hz) https://augustwpgzq.blogdal.com/32501239/everything-about-396-hz-frequency-music