I built a chrome extension that helps with this problem. It doesn't let you store a preferred service, rather you throw in a song url to and it'll spit back a f

I built a chrome extension that helps with this problem. It doesn't let you store a preferred service, rather you throw in a song url to and it'll spit back a few urls pointing to that song on Rdio, Spotify, Last.fm, and Grooveshark. You can try it out here: http://goo.gl/jLocb http://goo.gl/jLocb