# Rewrite a tag using a part of the old tag

**URL:** https://community.mp3tag.de/t/rewrite-a-tag-using-a-part-of-the-old-tag/69999
**Category:** Support
**Created:** [October 14, 2025, 11:23am UTC](https://community.mp3tag.de/t/rewrite-a-tag-using-a-part-of-the-old-tag/69999 "2025-10-14T11:23:00Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![balma01](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/b/41988e/32.png) [@balma01](https://community.mp3tag.de/u/balma01)
#### Post date: [October 14, 2025, 11:23am UTC](https://community.mp3tag.de/t/rewrite-a-tag-using-a-part-of-the-old-tag/69999/1 "2025-10-14T11:23:00Z")

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Hi, I would like to rewrite the GENRE tag using a part of the old GENRE tag

Now genres are: a rock, a blues, a jazz

I would like to rwrite in: AA\_rock, AA\_blues, AA\_jazz

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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: [October 14, 2025, 11:51am UTC](https://community.mp3tag.de/t/rewrite-a-tag-using-a-part-of-the-old-tag/69999/2 "2025-10-14T11:51:16Z")

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Try an action of the type "Replace" for GENRE  
Serach: a  
(followed by a space)  
Replace with: AA\_

Watch out for files with the genre "A capella".

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### Author: ![LyricsLover](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/l/c6cbf5/32.png) [@LyricsLover](https://community.mp3tag.de/u/LyricsLover)
#### Post date: [October 14, 2025, 4:00pm UTC](https://community.mp3tag.de/t/rewrite-a-tag-using-a-part-of-the-old-tag/69999/3 "2025-10-14T16:00:40Z")

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If you're not sure whether such a change would work for you, try Convert Tag -\> Tag first.  
You can see an immediate preview of your future Action here:

 ![image](https://community.mp3tag.de/uploads/default/original/3X/7/a/7a4f08a5bcb4757e1ce31080635460a42dec31f2.png)

If it works for you, use it as @ohrenkino suggested above:

 ![image](https://community.mp3tag.de/uploads/default/original/3X/e/1/e1fed8f1e4ba167219afcfbdc9e218ade36e9698.png)

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### Author: ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)
#### Post date: [November 13, 2025, 4:00pm UTC](https://community.mp3tag.de/t/rewrite-a-tag-using-a-part-of-the-old-tag/69999/4 "2025-11-13T16:00:44Z")

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