I am trying to play my iTunes music library on my Apple TV. I understand I have to load my library into iCloud and iTunes match account. I have my library stored on my Macbook Pro. I then copy the library to my external drive as a back up. I then copy off of the external drive to my iMac desktop computer. I keep this computer logged into my iTunes account and under prefernces select iTunes preferences, I select iCloud Music Library. The computer then syncs the iTunes library with the iCloud. When it finishes, I end up with duplicates of my playlist and many of them do not have the full playlist . The duplicates have a number 1 after the name. In some cases, the playlist R&B: 1978 becomes 79 and 80? I am not sure what is going on, Any help would be appreciated.