Yahoo! Music Unlimited Burnable Downloads
Burnable tracks that you purchase from Yahoo! Music Unlimited are provided in a Windows Media (WMA) format. They cannot be converted to other formats such as AAC or MP3. Note that most Windows Media-compatible portable devices will play WMA files. Yahoo! Music Unlimited burnable tracks are delivered in WMA format as specified in the license agreement.
Note that burnable downloads have a playlist burn limit of 7. This means once you have burned the track to CD 7 times in the same playlist, you must move it to another playlist or rename the playlist, to continue burning it.