Ever hear a song you like on the radio, on TV or at a party but don't know what it's called? Install Shazam on your phone and you can find out.

Whenever you hear a tune you dig, simply hold your phone's microphone to the speaker and hit the 'Tag Now' icon. Shortly after, as if by magic details of the song will appear in the Shazam interface, including the name of the song, the singer, and the album it appears on.

What's more, Shazam also provides a link to the song's video on YouTube, album and track reviews, as well as artist biographies and discographies. Shazam even offers the possibility to buy the track from the Nokia Music Store. You can view a history of all the songs you've searched for using the 'My Tags' option, or see the most popular stuff other people are searching for via the 'Tag Chart'.

But how can Shazam know so much about all this music? Well, Shazam 'hears' the song through your phone's microphone and uses your mobile Internet connection to compare the sounds it receives with those recorded in a huge online database of music. If it finds a match Shazam will provide you with the information immediately, and offers you the ability to email it to a friend if you wish. While Shazam can't recognize every song in the World, it managed to get most we tested it with.

The interface in this version of Shazam is ultra simple, and it only takes a few seconds to look up a song. There are a few settings you can tinker with, such as vibration, tags on startup and connection details.

That said, Shazam is so impressive that everyone should give it a try - especially as it's free!