Just because your MP3 player doesn't support AAC -- the format used by Apple's iTunes Store -- doesn't mean you can't still play those files. It's simply a case of converting the files from AAC to MP3 ...
In the Record Audio section, set the format to mp3 and quality to the highest (320 kbps). Click Record Audio, and you’re prompted to save the MP3 file to your computer. Though Dirpy is free to use, ...