Originally Posted by
castrogiovanni
As you have both missing album artwork and duplicate tracks, I would recommend to take the third-party-application path. Here is an article which compares various iTunes library tools which might be of interest to you
Well, otherwise, if you want to stick to iTunes, you would have to perform these tasks manually. The easiest way is in iTunes to go to Edit > Display Duplicates.
However, beware this will display both your duplicates and your original track listing in one place - so you might find it hard to recognize which is which, especially if you have lots of duplicates.
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