{
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  "rain on window": "rain-on-windows-cropped.wav",
  "rain on tent": "531947__straget__the-rain-falls-against-the-parasol.wav",
  "waves": "400632__inspectorj__ambience-seaside-waves-close-a.wav",
  "river": "459407__pfannkuchn__small-river-1-fast-close.wav"
}