so for the last 3-4 months my iTunes match library has been a little stubborn refusing to delete some playlists. So I decided to wipe out my library using the method online (deleting 999 songs at a time, updating match, etc etc). However there are 263 songs that I just cannot delete!! They keep coming back and back and back.. like they are stuck on my library. The playlists are also stuck and they return after every update of itunes match. Any suggestions?