The following method works for both windows and for Mac and it is fully legal. All you need to do is that you make sure that you have your songs and music to be non-DRM songs in your iTunes library. The method is easy and for free and you can try it at your free time and save the money of buying ringtones. A little bit of playing but legal playing...
There is no need for any downloads or anything like that..
This should work with all computer systems.
1. Open up your notebad.
2. Check that notepad is empty and copy paste there
3. Click on file, -> Save as (file name will be=
4. Open that file ones, and then its done.