I have noticed that a number of tracks are showing as 'Unknown' on my iPhone that seem to be 'phantom' songs that aren't actually there. If you click one it shows no album art and no length and there is no song playing. I've tried removing all music and starting from scratch but alas nothing seems to work. I have tried multiple different methods of syncing the music from iTunes; sync only selected songs (my usual way), selected only a few songs, selected only a few playlists and they all do the same thing. Has anyone ever seen anything like this before? It is worth noting as well that when I check my library on iTunes all songs are present and with full metadata.