I've had my 4S a few months now, and when I first loaded music to the Jukebox, I got a nice screen with all Artist/Album/Song info displayed and searchable, so it was very easy to find music. A couple of weeks ago, I lost all the music on the Jukebox due to the XM fiasco where we all had to do hard resets to the PCM. I reloaded the music the same way from a flash drive, and now I don't have all the music info, everything just says "unknown". Any ideas how to restore this info?