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Hah, now I can listen to my impending commute while still at work!

This is good fun. Where did you get the sound clips from?

From the "about" section:

Over the years, and thanks to a broad community of artists, phonographers and individuals working with sound and field recording, radio aporee has collected and developed both an extensive body of sound as well as colective tools for artistic practices and research in the field.

this could actually be helpful to the blind...

A map with local ambient sounds