OS X 10.10 and later, iTunes 12.2 and later only. This script re-creates a single selected playlist so its Songs View column settings (visible columns) are the same as the main Music library (taking advantage of the fact that new playlists acquire the Music library's visible sort columns).
Works with user-created regular playlists and Smart playlists only.
Assign it a keyboard shortcut for ease of use.
Note: Unavoidably, modern versions of iTunes create new playlists in Playlist View by default.
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