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12 Hour Version:
* This is a super deep sound, and will only be heard well with headphones, earphones, or a good set of speakers preferably with a large subwoofer. *
Here we have what was originally the ambient noise as heard and recorded onboard a large jet airliner. I have cleaned it up, deepened and smoothed the sound significantly, and extended it for quite a long while.
The sound is perfect for imagining that you are travelling on a long flight while on vacation. Also great for falling asleep, concentrating at work, relaxing, meditating, or long study sessions.