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info [at] musicnumbers [dot] es


  1. One hour field recording. In a place of almost silence. In .wav or .flac format.
  2. The coordinates of the recording place. (in Decimal degrees (DD): 41.40338, 2.17403 / more info)
  3. The date and time of recording. (In this format: 2017-02-25 (13:23h))
  4. The name of artist and his link.
  5. Some photos of the place. (Do not worry about the quality)

The works will be published under license: CC-BY-SA