Some works, the rest is gray/locked. Tried Manual sync, isn't working, keeps messing up. Now I can't even sync at all. Apply button in gone on iTunes so is sync.

have you tried right clicking on your device in itunes and clicking transfer purchases? usually it transfers stuff from device to itunes but in this case it should do the oppisite. hope i helped!
More reviews: How to transfer iPhone to Mac after iOS 5 upgrade
Hope it can do you a favor.

You can try the iPubsoft iPad iPhone iPod to Computer Transfer software to transfer your music from your iPod touch to your computer, this software can help us transfer anything like videos, music, photos, etc. on your iPad iPhone or iPod to computer for backup.

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