Music file used by eMusic Download Manager, a program that allows users to download .MP3 files and play them in common music player programs, such as Apple iTunes and Windows Media Player; contains information about music artist, album, and album art; used to download a specified set of MP3 files.
eMusic files also use the .EMX extension depending on the version of eMusic Download Manager. Some versions of eMusic Download Manager are not compatible with EMP files. EMusic/J is compatible with both EMP and EMX files.
NOTE: EMP files do not contain actual audio data. They only contain the information necessary to download an audio file or a set of audio files.