Converts multiple KAR files to one MP3 Converting a WAV File to an MP3 File Improves sound quality of MP3, WMA, OGG files The iTunes program can import files from your PC as well as "rip" songs from a CD. By launching iTunes and using the "Add To Library option", I imported the WAV file into iTunes. The following screen shot shows the "Crazy" file imported into iTunes and playing. Note that the size shown here is 24.9MB. The song plays perfectly and can be used with other WAV files to create a CD if desired. One thing I don't get into is how rip one instrument/voice from an MP3 with more than one. If you know how to do this please post an Instructable. I would love to be able to isolate an instrument or voice from an MP3. title this free midi to mp3 converter convert midi files to mp3 free Step 2: Launch the program. Select converting method. An easy-to-use drag and drop interface;