Interesting One. I was going to suggest what redkenny said, I presume your MP3 player shows up on your "My Computer". Could you copy the MP3 folder/file where the tracks are stored, hopefully the hidden files will be transferred.
Then you could have a look at the folder properties, try and show any hidden files, ie, look at the folder properties and see if it shows any hidden files. How many files the folder holds and compare to the visible ones, and the amount stored on your MP3 player.
If you can copy the MP3 folder then when you get the new one could you "Select all", Copy and then paste on to the new MP3 player.
Hope this makes sense.
Good Luck.
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