Adding artwork corrupts some Lossless iTunes files
http://reviews.cnet.com/8301-13727_7-57361159-263/adding-artwork-corrupts-some-lossless-itunes-files/ (http://reviews.cnet.com/8301-13727_7-57361159-263/adding-artwork-corrupts-some-lossless-itunes-files/)
Apple's Lossless audio format is a popular option for people importing CDs into iTunes who wish to preserve as much of the original song quality as possible; however, a number of people have been noticing that random tracks imported in this format become corrupted after artwork is applied to them.