Tune Sweeper

Tune Sweeper screenshots

Quickly find and remove duplicate tracks in iTunes
Tune Sweeper 4.0 : iTunes Statistics

Alternative downloads

Dupe Eliminator for iTunes
Find and remove dupe songs, TV shows, movies, podcasts and dead links.
ITunes Duplicate Remover
iTunes Duplicate Remover, removes all duplicate songs from your iTunes Library.
StyleDuplicates detects duplicate styles, or styles where one or more tracks.