Take a look at the mashups that we publish on ProgrammableWeb and you can easily find services that will show you where you can see beautiful things. Maps that show the origin of photos from Instagram (Gramfeed) are becoming more and more popular. You can also find services that will tell you where you can taste great wine (AmericanWineryGuide). Today however, we will highlight a mapping service that focuses on where you can hear different sounds. I present to you, the Sound of the City API.