The program does not require any installation and works from the Tray Icon (next to the Windows clock) so you can listen to your favourite music and do your work simultaneously.
It is very simple to use. You just choose from the list of available stations (which includes stations and broadcasters from various countries), hit 'OK' and wait a few seconds.
You need Windows Media 9 Series installed, the program is free but displays a banner in its interface.
Updates include a volume control