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Super deep smoothed brown noise can be used for sleeping, relaxing or studying. Brown noise is a softer-sounding alternative to white noise. Available as an MP3 download in 1, 8, 10 and 12-hour versions: https://www.mindamend.com/shop/ambient-soundscapes/super-deep-smoothed-brown-noise-1-8-10-or-12-hours/ With this super deep version, I've ...
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