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.
Remove iTunes tracks disassociated from files
Renumber order of selected tracks
Capitalize the first letter of each word in selected track names
Applet assists with swapping, copying, appending data between track tags
Change file type to make selected AACs bookmarkable
Assists with finding truncated iTunes Match tracks