917 Views 1 Reply Latest reply: Jan 30, 2011 2:01 PM by ed2345
Are they MP3 files? If so, note that "MP3 plays in other players but not in iTunes" is the classic symptom of iTunes being strict/finicky/incompetent (pick your own interpretation) about slight variations in MP3 files.
The problem is usually fixed quickly by treating the files with a 3rd party tag cleanup program. One for the Mac is MP3 Validator: