government.txt

https://factfinder.census.gov/faces/nav/jsf/pages/download_center.xhtml: You can find various stats about populations and demographics here.

http://data-cityofmadison.opendata.arcgis.com/.  City of Madison data about parking, bike traffic, and much more.

https://zenodo.org/record/4296040/files/Mono_Continuous.z01?download=1 . Guitar records dataset