Some of the frequencies stated can be found inside the BetterSleep application to mix with other sounds or content material. Combining comforting piano music with the Solfeggio frequencies comparable to the seven Chakra’s, these tracks descends from the binaural beat frequencies to the theta waves ( 8hz to 4hz) https://frequency396hzonyoutube10959.angelinsblog.com/31542479/an-unbiased-view-of-what-note-is-396-hz