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.
Displays files in iTunes Media folder not in iTunes track library
Export selected playlists as individual XML or M3U files
Create text file listing tracks common to and exclusive to two playlists
Two scripts copy text from clipboard to current or single selected track's lyrics tag
Remove iTunes tracks disassociated from files
Convert selected tracks and export the converted files to a new folder