# Multiple tag on a field or multiple field
**URL:** https://community.mp3tag.de/t/multiple-tag-on-a-field-or-multiple-field/70078
**Category:** Support
**Created:** [November 4, 2025, 4:54pm UTC](https://community.mp3tag.de/t/multiple-tag-on-a-field-or-multiple-field/70078 "2025-11-04T16:54:20Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Raven](https://community.mp3tag.de/u/Raven)
#### Post date: [November 4, 2025, 4:54pm UTC](https://community.mp3tag.de/t/multiple-tag-on-a-field-or-multiple-field/70078/1 "2025-11-04T16:54:20Z")
I have a few questions here. Lots of these are just simply curious, I know I can simplified multiple tag into one and replace using musicbrainz or discog.
1\>\> When I download a mp3 file, sometimes I will see both ID3v1 and ID3v2 at “Tag”(column).
i.) Can I identify which column is written in ID3v1 and ID3v2 respectively?
ii.) Can I identify and reveal content of a column that is written in both ID3v1 and ID3v2 with the same content or different content? Can I alter or delete them respectively?
iii.) Can I batch change ID3v2.4 to ID3v2.3 UTF-16? I know some programs have problem reading ID3 version that it doesn’t support but it shouldn’t be a problem to mp3tag? Since it able to read all version of ID3?
2\>\> USLT and SYLT support both ID3v1 and ID3v2? If I understand it correctly, lyrics is just a type of tag in the structure of ID3 and it is blend into the mp3 file, no isolate file is needed for lyrics?
3\>\> The main difference between ID3v2.3 ISO-8859-1, ID3v2.3 UTF-16, ID3v2.4 UTF-8 is the encoding they use to present tag? Apart from that, is there any important features?
Lots of thanks
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [November 4, 2025, 5:06pm UTC](https://community.mp3tag.de/t/multiple-tag-on-a-field-or-multiple-field/70078/2 "2025-11-04T17:06:29Z")
1: no, you would have to set Options\>Tags\>Mpeg to read only on of the tag versions.
2: no, see above
SYLT is not supported by MP3tag.
USLT is only available for ID3V2 tags - the old LYRICS tag is not supported by MP3tag.
> [@Raven](#):
>
> no isolate file is needed for lyrics?
That is a question about the player's features. MP3tag supports UNSYNCEDLYRICS.
> [@Raven](#):
>
> difference between ID3v2.3 ISO-8859-1, ID3v2.3 UTF-16, ID3v2.4 UTF-8 is the encoding they use to present tag?
V2.4 tags also follow a different internal naming standard and have other features than V2.3 tags.
ISO-8859-1 tags rely on the local code page which may lead to reduced interchangeability and suprising display of tag field contents.
ID3v2.3 UTF-16 is the most compatible format of all.
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### Author:  [@system](https://community.mp3tag.de/u/system)
#### Post date: [December 4, 2025, 5:06pm UTC](https://community.mp3tag.de/t/multiple-tag-on-a-field-or-multiple-field/70078/3 "2025-12-04T17:06:55Z")
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