Disc Information
To access disc information, use the disc-menu:
Erase Disc: 
Erase the medium.
Write Disc: Burn your compilation.
Disc Information: View disc information.
Import session: Here you can import a specific session of your medium. This is useful i.e. if you don't want to import all files but only an earlier session.
You can also use the toolbar button to get disc information:
Screenshot (note that this detailed information is only available when creating a Data-CD):
