In most cases, songs copied from Mac, CD or Media Player to iTunes will copy with all their metadata, information like artist, album, genre, and year. But in some cases, this information either won't copy and you'll want to change it. Here I will give a way to add the artist to songs in iTunes.
Watch Video Demo:
Also, with Tunes Cleaner for Mac you can delect and delete duplicate songs in iTunes, add or edit missing album name, musical genre, album artwork and more information for iTunes music.
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Tunes Cleaner for Mac
* Clean up iTunes music library and external music library
* Get music tags for iTunes and external music library
* Delect and Delete duplicates songs in iTunes music intelligently
* Get Missing album artwork or album name for iTunes music files
* Allow manual fixing of some unfixed music files
* Apply fixed music information to iTunes in one click