PlaylistPlunderer

Playlist Plunderer 2.0
 Organize your iTunes library with Playlist Plunderer 2.0, 
a macOS application that automatically identifies and updates metadata for each track’s title, artist, album, year, and genre.
Perfect for anyone dealing with incomplete or mismatched metadata from downloads or CD rips, it updates your library at home for you—no need for manual editing or costly monthly subscriptions!