I have a problem with iTunes. Does anybody know how to fix it? I have over 30 gigs of music which I imported from CDs, mostly opera, which has a track 01, track 02, track 03 naming set-up. My problem is, sometimes I accidentally erase tracks from my playlists and I can never find them again. I know iTunes has a 'find duplicate track' feature, which doesn't really help me. Is there any sort of add-on or feature that would list the tracks that are (lost) in the library but are not represented on any playlists? That would be a great feature to have.