# New tag from existing tags

**URL:** https://community.mp3tag.de/t/new-tag-from-existing-tags/65820
**Category:** Support
**Created:** [September 3, 2024, 10:00pm UTC](https://community.mp3tag.de/t/new-tag-from-existing-tags/65820 "2024-09-03T22:00:13Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![poster](https://community.mp3tag.de/user_avatar/community.mp3tag.de/poster/32/4881_2.png) [@poster](https://community.mp3tag.de/u/poster)
#### Post date: [September 4, 2024, 9:02am UTC](https://community.mp3tag.de/t/new-tag-from-existing-tags/65820/6 "2024-09-04T09:02:33Z")

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> [@Daniel82](#):
>
> `%New Tag%` --\> `Name A - engineer`; `Name B - engineer`; `Name C - engineer`; `Name A - mastering`; `Name A - assistant mixer`; `Name B - assistant mixer`

You should consider, that the custom tag field "New Tag" you provided, actually seems to correspond to the official tag field "INVOLVEDPEOPLE". However, this has an opposite rule for how it is filled with data, e.g.  
`engineer:Name A;`

> **[Tag Field Mappings – Mp3tag Documentation](https://docs.mp3tag.de/mapping/#involvedpeople)**
>
> Overview of all available tag fields, their names in Mp3tag, and how they are mapped to the internal structures of the different tag formats. Mp3tag is the universal Tag Editor.

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