# Adding a cover may change the length

**URL:** https://community.mp3tag.de/t/adding-a-cover-may-change-the-length/49722
**Category:** Support
**Created:** [July 24, 2020, 9:38am UTC](https://community.mp3tag.de/t/adding-a-cover-may-change-the-length/49722 "2020-07-24T09:38:18Z")
**Posts on this page:** 1
**Showing post:** 4

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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 24, 2020, 2:44pm UTC](https://community.mp3tag.de/t/adding-a-cover-may-change-the-length/49722/4 "2020-07-24T14:44:40Z")

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But the display of the length in MP3tag does not change?  
I would test these files with the linked tools:

> [@How to check files for errors?](https://community.mp3tag.de/t/how-to-check-files-for-errors/44633):
>
> It’s required and often helps to reduce support cycles to check files for errors before filing a bug report. Symptoms of erroneous files are often missing or wrong bitrate or length audible blips or skips tags seem to be sticky and cannot be removed There are some really good tools to check the files for errors, namely MP3 Diags — identifies many different issues in MP3 files Website: [http://mp3diags.sourceforge.net](http://mp3diags.sourceforge.net) Download: [MP3 Diags - Getting MP3 Diags](http://mp3diags.sourceforge.net/010_getting_the_program.html#binWindows) If the font size in MP3 Diags is …

and see if there is a cause why the players interpret the covers as music data.

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