# Appending to existing genres

**URL:** https://community.mp3tag.de/t/appending-to-existing-genres/57894
**Category:** Mac
**Created:** [July 14, 2022, 6:45am UTC](https://community.mp3tag.de/t/appending-to-existing-genres/57894 "2022-07-14T06:45:33Z")
**Posts on this page:** 1
**Showing post:** 9

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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 17, 2022, 9:44am UTC](https://community.mp3tag.de/t/appending-to-existing-genres/57894/9 "2022-07-17T09:44:52Z")

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> [@Merging several Tag Fields into CONTENTGROUP](https://community.mp3tag.de/t/merging-several-tag-fields-into-contentgroup/10616):
>
> Hi, I'm using many Tag Source Scripts to gather all available data about tracks/albums. Since many of them write Tags to the same Tag field I've edited the scrips so that each script writes it's Tags to unique Tag fields. After running those scrips I want and Action to Merge them into the a Tag called CONTENTGROUP (used in iTunes). The Tags I have from the scrips are: %lastfmtags% "Female Vocalists, Indie, Indie Rock, Alternative, Rock, Indie Pop" %dostyle% = "Pop/Rock, Alternative Rock, P…

Yes, in the end you have to use that rather complicated regular expression that only remove duplicates.  
So, if you do not have duplicates, then you don't have to dig into that thread.

To replace commas with semicoli, use an action of the type "Replace" (without regular expression)

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