ipad will not sync songs from imported CD's
I have updated my ipad 2 with the latest IOS and now, as of yesterday, it will not sync the songs from my computer that were imported from CDs (kind=MPEG audio file). All other itunes (Kind=puchased AAC) songs will sync. I have turned it on and off, restored it, restarted itunes, restarted my computer, etc. Nothing seems to work. These songs do show up in the itunes library on my ipad in light grey with a red circle beside it with a red square in the middle, but they will not play. Nothing happens when I click on this red circle/square. Yes my PC is authorized. I sync new songs almost every day so I know this just started with this newest IOS release.
I have tried Wi Fi syncing. Nothing. I tried manually syncing and dragging the song from my library to the ipad. Nothing.
iPad 2 Wi-Fi, iOS 7.0.3