Find the 5 best free duplicate songs
Unless you have a perfect memory or a well-organized list of all your songs, you will end up with at least one duplicate file in your library. It’s a problem to maintain a music collection, especially a big one where clones always worm their way!
It is unreasonable to try to find dual files to listen to your entire music library; Even before you get half you are likely to give up. A more logical approach is to work hard for you to automatically use a software tool.
Duplicate file finders are great for using this situation to clean up your music collection and recover lost hard disk space.
Note: If your music is stored in iTunes, you can use iTunes to find and delete duplicate files instead of installing another program .
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AllDup
AllDup has an impressive set of features for a free duplicate file finder. Looks like these are only shown in premium versions of similar tools.
Some advanced features enable you to search multiple folders or hard drives at once and retrieve files from all sources or within the same folder only. This level of precision is already a set in addition to most other duplicate file finders.
On top of that, AllDup can compare file properties and file attributes and other common parameters (name, extension, size, etc.) by file bytes . What is the ability to scan RRA and zip files inside, specifically include / exclude file types and folders and preview the music without the software.
There is a normal and portable version of this duplicate file search. More
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Duplicate Cleaner Free

This free duplicate file scanner for Windows has the advantage of deep scanning of various music formats such as MP3, M4A, M4P, WMA, FLAC, OGG, APE and others.
Its interface is easy to use and has a really interesting channel to fine-tune your search. Selection Assistant is especially useful for identifying files for quick removal based on your criteria.
Criteria can combine audio tags like artist, title and album, as well as genre, length, year, any comment, and others. Otherwise, you can view the search only for duplicate audio data and ignore any tags.
You can use search filters that consider the date, size and file extension of the file created and modified , and search by zipping the archive.
Once Duplicate Cleaner returns a list of results, you can use Selection Assistant to identify what you want to delete. Some of these options include shortlisting the longest, shortest file, or even deleting each duplicate.
Note: This program is just a trial of the professional version. However, even though it is not complete software, it works as an easy way to find and remove duplicate files as limited to 100 files or less. More
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Adal

Similarity is a great free program for searching for similar music files. It uses advanced algorithms that compare audio files based on sound content rather than binary patterns.
The parity shows MP3 tags and has an experimental mode for deep scanning. The results are displayed in the Results tab.
Right-click the files for alternatives, such as a spectrum or a sonogram analysis of the file to see what they actually look like.
The program is compatible with a full range of logical and lossless audio formats such as MP3, WMA, OGG, FLAC, ASF, APE, MPC and others. More
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Duplicate Music File Finder

This duplicate file finder compares music files by searching for file names, mp3 tags, CRC checksums, and file sizes.
Settings where you can decide which music file should be scanned for the program and if it should look through subfolders too.
Although the interface of the whole program is not super up-to-date, the results are displayed side by side so that you can clearly compare the size and name of the duplicate file, and select which ones should be or where they should be.
Duplicate Music File Finder comes with a built-in tool set for managing your files. For example, it can rename very badly formatted music files by viewing the song’s metadata and rearranging the file accordingly. There’s also a quick tag editor and you can run duplicate files to check them before you delete them.
If you do not have Winamp installed, the program complains about it, but will fix a quick reconfiguration where the media player of your choice is installed. More
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Easy Duplicate Finder
This duplicate file finder contains the truth of its name; It is very easy to use. The wizard keeps you hooked through each step and there aren’t a ton of confusing options where the path has to go.
Start by selecting the folders or hard drives that should not be scanned and included, the types of files that should not be, and further reduce the maximum and minimum file size for results.
Click through the wizard to see the results and find options for deleting duplicate music. For example, you either keep the latest or oldest version automatically or manually delete what you don’t want.