This script will re-add the files of the selected tracks to iTunes as if they were a Podcast subscription. The files will then appear in the Podcasts playlist and "behave" as though they are a group of Podcast episodes. Such a Podcast can be set to automatically be copied to iPod and appear in the Podcasts category.
Requires "Web Sharing" be activated in System Preferences.
Mountain Lion Issues: Web Sharing activation is no longer available from the Sharing Preferences. See here for more information.
OBLIGATORY WARNING! Because this script has been designated as a "Retro Script" there is no guarantee that it will function as described and may even corrupt or destroy data.
Delete empty playlists
Perform search-and-replace on text in your choice of tags
Set the Plays of selected tracks.
Remove iTunes tracks disassociated from files
Set choice of various number tags of selected tracks incrementally
Resample selected tracks' artwork to user-set size limit