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Leonarder

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    8-10 Hz Alpha waves/Brain waves
    3:00:25

    8-10 Hz Alpha waves/Brain waves

    8-10 Hz Alpha waves for sleep, focus, relax, meditation, studying...
    25 views
    Raining sounds 5 hours
    5:00:00

    Raining sounds 5 hours

    Listen to rain for 5 hours for good sleep or studying.
    20 views