# Conditional Formatting for Artist based on Album Artist

**URL:** <https://community.mp3tag.de/t/conditional-formatting-for-artist-based-on-album-artist/42230>\
**Category:** Support\
**Created:** [July 8, 2018, 7:09am UTC](https://community.mp3tag.de/t/conditional-formatting-for-artist-based-on-album-artist/42230 "2018-07-08T07:09:22Z")\
**Posts on this page:** 1\
**Showing post:** 28

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [July 10, 2018, 5:26pm UTC](https://community.mp3tag.de/t/conditional-formatting-for-artist-based-on-album-artist/42230/28 "2018-07-10T17:26:46Z")

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> [@sheepdisease](#):
>
> It seems if you inadvertently run the code on a file already amended it starts duplicating. Can this be stopped by using an if condition?

What gets duplicated?  
And even if so: apply a filter that filters for FEAT\_ARTIST MISSING because none of the untreated files should have that field.

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_[View the full topic](https://community.mp3tag.de/t/conditional-formatting-for-artist-based-on-album-artist/42230)._