1. Open iTunes
2. Create a new playlist in the sidebar, (this can be deleted later).
3. Name your playlist.
4. Locate your MP3 file on the computer, drag and drop the MP3 file into your playlist.
5. Control-click on your playlist and select'Burn Playlist to Disc'.
6. Ensure that there is a blank CD in the CD drive and choose the disc format 'Audio CD'. You can alter the amount of time between songs by changing the number of seconds. Select 'Burn' when you have finished formatting the CD and wait for the audio to complete burning before ejecting the disc. You may want to open the CD and test the audio, to make sure that the file has been burnt properly.