http://www.chicagosoundmuseum.org/

Since 1998. Milkwood Foundation has been recording stories and sounds all over the city of Chicago. It is now time to share with the people throughout the world here, online, at the Chicago Sound Museum

Audio exemples:

Waiting for your ticket number to be called while in the Secretary of State’s driver’s license renewal line at 5401 N.Elston. (1:10)
[audio:http://www.milkwood.org/sounds/drivers_lic.mp3]

Panel number call for jury duty at the Cook County Criminal Courthouse at 26th Street and California Avenue. (0:35)
[audio:http://www.milkwood.org/sounds/cook_county_jury.mp3]

Underground at the Washington CTA Red Line stop while a street musician plays Strauss on violin. (0:53)
[audio:http://www.milkwood.org/sounds/s-redline_volin.mp3]