Apple does make it more cumbersome for those who need to manipulate their own music library, iTunes generally does not archive music files locally using their actual file names, the names get converted to a coded string of characters. They get converted on-the-fly when you're viewing them using iTunes so the names 'auto-magically' revert back to normal, and the same if you're specifically using the iTunes program to transfer them. But when you're just copying those files directly from the iTunes folder the names will all have those unique names. Best to use the source iTunes application to transfer your music library. There is supposedly ways to manually convert the internal iTunes conversion table, I believe it used to store them as an .xml database file but now it uses an .itl file. Of course when doing it manually if you've got a sizable music collection renaming each file back to it's original name is a lot of work.