Really DEEP harmonic pipe tritone sound for sleeping 😴 Black Screen

I'm back with a deep harmonic tritone sound for sleeping recorded inside pipes. There are three tones here - one base tone and two descending harmonics of that tone, with each halving the frequency of the previous one.
Combined, these tones produce a really nice multi-frequency hum that is so relaxing!

I hope you'll like it and please comment on this video if you do - i would really like to know what you think!

See this playlist for more relaxing sounds:    • Ambient noise  

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On this channel you'll enjoy great sounds for sleeping with a black screen to help you sleep better. You'll fall asleep easier, your sleep will be deeper and you'll wake up happy and rested.

I wish you great sleeping!

#sleep #tubesound #whitenoise #studysounds #blackscreen