A version of TuneIn has been released for Windows Phone. TuneIn is an app that lets you listen to your live local and global radio from wherever you are. Globally, the app can pick up more than 70,000 stations and 2 million on-demand streams.
Using TuneIn Radio play radio or internet stations in the background while you use other apps. You can pin stations to your start screen for one-tap listening and you can add the stations, songs and shows you like most to your presets.
TuneIn is free from the Windows Phone store here.