Items duplicating in purchased folder iphone side not computer

Question

I've messaged in about this about 4 times before but no one seems to ever reply or know what is going on. I have a very weird problem in that every time I upgrade the software on my iPhone or restore it from a backup 22 songs are duplicated in the purchased folder on my phone. So now, as I've recently upgraded to the new IOS4 software I have 22 duplicated songs again making 44 unwanted items. My purchased folder on itunes does not show these songs and I've tried manually unchecking the items from the iphone purchased folder but they still get synced on there either way.
I'm happy to provide screenshots of what I'm talking about if someone could provide any assistance at all?

Answer 1

Michael,
I've had the same problem several times. Although I haven't found an automatic way to place all my purchased music in the "Purchased" folder I do have a simple workaround.
First of all, check your iTunes Preferences, Advanced tab, Importing menu. Note the Import Using dialog. It probably says "AAC Encoder." This is Apples proprietary/protected format. Unless you changed this selection all of your purchased music is of this kind. Close out the iTunes preferences window.
Next, in iTunes select music under library. Now, from the the View dropdown menu choose View Options. In the View Options window select Kind. To exit the View Options Window click OK. Note the Kind column is now revealed in your main iTunes window.
In the main iTunes window find the search box and type "protected." You should see all your Protected AAC audio files in the iTunes list.
Scroll the list to review the selections. Click, not double-click, one of the selections. Now select all (Command-A) to select all songs in the list. Now drag and drop the list to your purchased music folder.
All your purchased music should now be in your Purchased music folder.
Hope this helps.