This script will list all empty user-created playlists and can delete all or just a selection of them.
Also see Merge-Delete Playlists.
When one or more playlists are selected, the button changes to "Delete Selected".
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Sort tracks into playlists by volume location
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Download selected media from a web page in Safari
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Perform two-pass search for tracks in selected playlist
downloaded 34m 25s ago
Display, create text file listing info of dead tracks
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Exports and then re-imports selected tracks' artwork
downloaded 50m 9s ago
Delete all or selected empty playlists