I came across these EPs by Australian indie folk musician Amanda Merdzan and instantly recognized the Washington, DC Metro.
http://noisetrade.com/amandamerdzan/the-map-has-been-redrawn
http://www.last.fm/music/Amanda+Merdzan/The+Map+Has+Been+Redrawn
Well, almost. I’m not quite sure where the Yellow Line is heading off to at the top… maybe that’s the “redrawn” part of the map?