Actually you could burn the songs onto a cd, a regular old music cd, not a data cd or anything like that, you could in theory rip them off the CD using iTunes and that should allow them to play. The protection scheme you are talking about probably has something to do with the media format you selected.
"Remember how much fun you had shooting spitwads at the teacher in seventh grade? Imagine applying that kind of attitude to actually fucking with Mitsubishi!"
- Jello Biafra