This script re-creates a single selected playlist so its View Options (visible columns) are the same as the main Music library (taking advantage of the fact that new playlists acquire the Music library's View Options).
Works only with regular playlists and Smart playlists.
Assign it a keyboard shortcut for ease of use.
Export album artwork as folder.jpg to Album folder
Edit a selection of iTunes tracks' tags in single window
Exports and then re-imports selected tracks' artwork
Perform various tasks on a selection of playlists; rename, delete, duplicate, merge, more
Change file type to make selected AACs bookmarkable
Renumber order of selected tracks