Features of Music Duplicate Remover in a nutshell:
• Identify duplicate files by comparing their sound. The program can "hear" to audio files and detect duplicates.
• Find duplicates by ID3 tags and properties.
• Adjust settings of the duplicate finder to get more precise results.
• Preview duplicate files in the built-in player.
• Use an external player to preview found duplicates.
• Specify priorities to sort duplicates easily.
• Customize colors and fonts to distinguish between duplicates and original files.
• Remove file duplicates in a single click.
• Copy or move duplicates to a certain folder.
• Use duplicate search schemes to switch between different search parameters easily.
• Easy to use multilingual interface. Get the result in just two clicks: one click to find duplicates, another one to delete duplicates!
• Statistics: how many duplicate files found, how much space they take.

Home Page - http://www.maniactools.com/soft/music-duplicate-remover/index.shtml