This month on the program, Paulus plays a cassette tape they picked up in Mexico City at a flea market. The tape has a cover which says "Tropical Cumbia '92". The songs are much older than 1992 so this must have been the year the tape was made or what was popular in that year. The cover design suggests that it is a bootleg rather than a homemade mixtape.

A dive into an archive of collected noises from ten megacities across the globe. Interviews and ruminations will be mixed in with these sounds, in search of a better understanding of a fundamental question: "what is noise?