What's Playing is a Firefox Add-on that enables desktop notifications for online music services.
Latest Mozilla-reviewed version:
- Get it from addons.mozilla.org.
Latest unreviewed version:
- Download the newest
- Drag the downloaded file onto a Firefox window.
- Simply play a song on any supported website to begin receiving notifications.
- Use the context-menu option or tool bar icon if you want to quickly find out what song is currently playing.