An MP3 file is a file that is used to store audio data on your computer.
Most computers will automatically play an MP3 file for you to listen to if you double click on it.
If you wish to put the audio file on your Apple media device, this can be achieved by using iTunes. For a handy guide on how to achieve this, please click here
If you would like to burn your MP3 file to CD and you are using a windows computer, please click here
If you are using a Macintosh, please click here