PSA: Time Machine doesn't back up everything...I learned the hard way

[pinkoos]

[quote space-time]http://docs.info.apple.com/article.html?artnum=93313

http://docs.info.apple.com/article.html?artnum=93732
"Note: If the iTunes Music Library.xml file is not available, follow the "Add to library" steps in "iTunes: About the Add to Library, Import, and Convert functions" to add files back to the Library (because the iTunes Music Library.xml file is not available, playlists and other information will not be available)."