Where is the information about each CD I've imported stored?

Question

I made a mistake ripping a CD audiobook and need to start over. I forgot to join the tracks when I imported the 1st CD. I did it after I the import finished.
Then I decided to start over so I could rip the audiobook the way it's worked before. I deleted the CD from my library and tried again. itunes still thinks the CD is on my system somewhere.
I've even uninstalled itunes and reinstalled it. iTunes still thinks the CD is still in my library and this causes the Advanced -> Join Tracks option to be greyed out.
Where does iTunes store persistent info like whether tracks are joined or not for CDs I've ripped? I'd like to delete this information so I can reload iTunes and start over.
Thanks,
Coleman Blake

Answer 1

When you deleted the album the first time, did you select the option to "move the deleted files to the recycle bin" or to "keep the deleted files"?  If you chose "keep the deleted files", then they are still on your computer so when you try importing again, iTunes still sees something in the location it wants to put the new import.
So you need to delete the original files from your computer before importing the album again, which means you need to find it. See my examples of the filepath below, for both a single artist album and a compilation allbum. Note the difference in the filepath.
E.G.
C:\Music\iTunes\iTunes Music\<artist name>\<album title>\"songs"
C:\Music\iTunes\iTunes Music\Compilations\<Album title>\"songs"
In both cases, delete the <album title> folder so that the folder and songs in it go to your recycle bin. Do not delete the <Artist name> folder or the Compilations folder.
Now import the album again, but before clicking on import, you need to join the tracks, by selecting them in the CD drive window. Note that you can only join adjacent tracks. If you skip track 2, you cannot join tracks 1 and 3 and you must join the tracks before importing. They cannot be joined afterwards.