1. binaural_beats_82.20hz

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    5
  2. binaural_beats_78.17hz

    binaural_beats_78.17hz

    6
  3. binaural_beats_79.89hz

    binaural_beats_79.89hz

    4
  4. binaural_beats_80.09hz

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    3
  5. binaural_beats_77.96hz

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  6. binaural_beats_78.08hz

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  7. binaural_beats_65.06hz

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    9
  8. binaural_beats_69.14hz

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  9. binaural_beats_72.50hz

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  10. binaural_beats_57.88hz

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    18
  11. binaural_beats_57.29hz

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    18
  12. binaural_beats_58.30hz

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    16
  13. binaural_beats_60.85hz

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    12
  14. binaural_beats_60.78hz

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    12
  15. binaural_beats_61.22hz

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    14
  16. binaural_beats_65.03hz

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    2
  17. water stream from roman bath in spain BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

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    8
  18. binaural_beats_55.47hz

    binaural_beats_55.47hz

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  19. binaural_beats_73.22hz

    binaural_beats_73.22hz

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  20. binaural_beats_74.32hz

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  21. binaural_beats_73.35hz

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  22. binaural_beats_77.61hz

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  23. binaural_beats_66.63hz

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  24. binaural_beats_71.80hz

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    5
  25. binaural_beats_69.70hz

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    4