AudioTag is a free online music recognition application which comes handy in situation when you need to find out the name of artist or album available with you.

You can upload full or part of music file to run a comparison for acoustic characteristics of sound in very large index of AudioTag containing more than a million songs. Depending upon the similarity, AudioTag online music recognition application will show you the list of all matching/similar tracks. Also, you can directly specify the online URL to the music file for its recognition.