If you want to easily find and remove audio duplicate from a music collection IL Music Library Deduplicator is for you. It can distinguish between similar songs offering you a list with best matches highlighted in green. Audio files with lower similarity are listed as well in case there are duplicates with lower bitrate. These are highlighted in yellow and red. You can select them by color if you wish to delete
them or you can add them to a list with excluded files in case you wish to keep...