East versus west: foursquare playlists revealed ShareThis Posted on October 25th, 2011 by Sonos Staff in Music In Culture, Music On Sonos, Sonos Stories You saw the video. Now, find out what songs inspired the friendly playlist competition between foursquare New York City and foursquare San Francisco. Have a listen on Spotify, then tell us about your favorite playlist in the comment section below. Click to launch the foursquare east playlist. Click to launch the foursquare west playlist.