Originally Posted by meiphones_brill
You can right-click on any song, track, whatever in itunes:
Get info - Options, set the start and end time (30 seconds between the two!)
convert the track to AAC
Find the resulting 30 second .m4a file - Rename that to .m4r
Then put that .m4r file into the ringtones folder
tadaaaaaa
I thought that workaround was fixed by apple? No? I did that for another tone and when it went to sync it told me the file was incompatible.