Ran across this unreleased Pretty Lights track over on SN. It's from his Electro City EP that features 5 previously unreleased tracks. The track below features Kanye West and possibly Prince. You also can hear the White Stripes' "Seven Nation Army" beat in the background. Check out this funky unreleased track.
Better-ThanDownload: Pretty Lights - Better Than I've Ever Been (Unreleased) (feat. Kanye West)