After having scanned my whole iTunes library with PerfectTUNES, I then look in my music folder and clicked on some artists folders and then album folders.....I noticed that there is the folder jpeg with the album cover.....and then sometimes ALL the individual tracks have the artwork embedded, sometimes all the tracks EXCEPT track one have the artwork embedded and sometimes NONE of the tracks appear to have the artwork embedded. What is going on there and is it relevant in any way?