1)   Duplicate MP3 File Finder 6.0
Find and delete duplicate MP3 files on your computer. Duplicate MP3 File Finder groups similar files together and provides detailed information on each MP3 to make sure you remove the right duplicates.

 2)   EF Duplicate MP3 Finder 4.20
The EF Duplicate MP3 Finder is a useful program that help you to find out and remove duplicate audio files with same or similar properties. Support the audio formats MP3, Ogg/Vorbis, FLAC and WMA. Multilingual. Shareware

 3)   Abee MP3 Duplicates Finder 2.1
The purpose of this program is to find all mp3(ogg,wma) duplicates on your computer and remove useless files from your hard drive. As this program performs just this single task it copes with it much better than other more universal programs.

 4)   Duplicate mp3 finder 2.1
Duplicate mp3 finder is using special algorithms that will help you to find exactly where the duplicate mp3 files are. You can scan multiple file systems - folders, drivers, removable storage devices, even network shares.