In San Francisco’s Mission district, good music is all around you.
Now, high up on a street pole at an undisclosed location in the Mission, Riley Walz installed a solar-powered box containing an old Android phone running the song identifying service, Shazam, 24 hours a day, seven days a week.
The so called “Bop Spotter” is spotting good songs, or “bops,” taking their names, and uploading them all to a website so you can hear the sounds of the Mission from wherever you are
https://techcrunch.com/2024/10/01/a-hidden-microphone-on-a-san-francisco-street-pole-is-spotting-bops-in-the-wild/