This script copies the lyrics from the Lyrics tag--if they exist--of the currently playing track, or if no track is playing, the selected track(s), to a new TextEdit document. Requires iTunes 5 or better.
(Note: In order to launch this PowerPC-era script on an Intel machine, it must first be opened and then saved using Script Editor (AppleScript Editor pre-OS X 10.0) which is located in your /Applications/Utilities/ folder. More information is here.)
Exports and then re-imports selected tracks' artwork
Copy chosen tag info from one set of tracks to a different set of tracks
Delete characters from the beginning or ending of selected tracks' name, artist, album, comments, composer, or show tags
Remove iTunes tracks disassociated from files
Set choice of various number tags of selected tracks incrementally
Add files from the Amazon MP3 downloads folder to iTunes