# That explains…

**URL:** <https://forums.plex.tv/t/that-explains/816344>\
**Category:** Plex Media Server\
**Tags:** server-mac\
**Created:** [October 27, 2022, 3:14pm UTC](https://forums.plex.tv/t/that-explains/816344 "2022-10-27T15:14:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![D\_eight6](https://avatars.discourse-cdn.com/v4/letter/d/41988e/32.png) [@D\_eight6](https://forums.plex.tv/u/D_eight6)\
**Post date:** [October 27, 2022, 3:14pm UTC](https://forums.plex.tv/t/that-explains/816344/1 "2022-10-27T15:14:15Z")

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…why two months ago when I moved my folder structure, scanned my library, I lost all my track loudness for each and every track. 😠 I had to command line it manually and took a long while to redo.

Continuing the discussion from [Plex Media Server](https://forums.plex.tv/t/plex-media-server/30447/538):

> [@Plex Media Server](https://forums.plex.tv/t/plex-media-server/30447/538):
>
> (Music) Existing tracks could lose loudness data and be unable to rerun the loudness analysis (#13897)

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [January 25, 2023, 3:14pm UTC](https://forums.plex.tv/t/that-explains/816344/2 "2023-01-25T15:14:45Z")

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