Delete iTunes song duplicates?

how delete duplicate songs in itunes? no, don't want see hundreds of pairs of songs side side must selected , removed 1 @ time. no, didn't add folder twice mistake sorting date , deleting added duplicates isn't option.

seems should basic functionality can find dupe away $14. i'd rather not go through bother of finding new media software, how can delete itunes duplicates free?

 

did try this?

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