Currently Being ModeratedFeb 14, 2013 1:18 PM (in response to JohnZonie)
The backup does not inlude any itunes content at all.
You should be importing all purchases made on the iphone to your comptuer regularly, most especially before any update or restore.
You get one download of tones. As always, it is your responsiblity to backup your purchases.
If you failed to do this, then you can ask for an exception from itunes support