This script applet stores the tags of the selected iTunes track (as a script property). Later, when you select another track and run the script again, it will paste the stored tags to that track. You are able to choose which tags you want stored.
(Note: In order to launch this PowerPC-era script on an Intel machine, it must first be opened and then saved using AppleScript Editor, which is located in your /Applications/Utilities/ folder. More information is here.)
Create text file listing tracks common to and exclusive to two playlists
Change file type to make selected AACs bookmarkable
Copy selected CD's CD Text to the clipboard
Search Wikipedia using the Song Name, Album, Artist, or Composer of selected or playing track
Rename selected tracks' Song Names with their filenames (minus extension)
Exports and then re-imports selected tracks' artwork