Restoring iTunes Music Library Metadata

Michelle's eMac (yeah, it's old) has been doing something weird where iTunes looses all knowledge of her music library and metadata. The music is still there, but her iTunes Music Library.xml file is nowhere to be found. Luckily, we back her Mac up so we can follow these instructions for restoring iTunes Music metadata using an old version of her xml file:

1. Close iTunes.
2. Open your Music folder.
3. Drag iTunes Music Library.xml, if it exists, to the Desktop (or somewhere else). I'd change the name--like add a date--so that you know which xml file it is.
4. Drag any file like iTunes Library or iTunes 4 Music Library (with no file extension or .itl) to the trash.
5. Open iTunes. Do Nothing!
6. Select File > Library > Import Playlist and choose the version of iTunes Music Library.xml that you've last backed up.
7. It will take a while to do a number of things.