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  • delta wave 2.5Hz    
    MP3
    This is a delta sound wave about one hour long, for to put under using the wave to relax the brain to sleep wave pattern. Right ear is at 90hz and the left and the left is at 92.5hz.

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    acot ♥ ✘
    Other
    English/Ambiguous/TTS
    Rating: ★★☆☆☆ (2)
    Length: 59:56
    Downloads: 171
    2014-07-25
    Only while under

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