This Firefox add-on lets you search the song playing currently with your selected search engine.
One of the best things about the Search For Song addon is that it is cross-platform. Whether you're using a Mac OS X, Windows, or Linux machine, you can install and use this addon without any issue. However, keep in mind that you'll need Songbird 0.7pre - 0.8.0pre to use this addon.
Overall, the Search For Song addon is a simple yet incredibly useful tool for any music fan. Whether you're trying to find the name of a song you're currently listening to or searching for a particular song from your favorite artist, this addon is definitely worth checking out.
Version 7.0: N/A