: For every track in the .7z archive, the system could generate a hidden .eternal sidecar file. Unlike standard ID3 tags which can be overwritten by music players, these files store a "golden record" of your metadata.
: The feature uses SHA-256 hashes of the audio data itself. Even if you rename the file Track01.mp3 to 01 - The Best Song.mp3 , Beets recognizes the audio "fingerprint" and instantly restores your custom tags from the eternal backup. beetseternal.7z
In a standard music library, metadata (tags) can be volatile. If you re-import a folder or move files, you often lose manual edits, play counts, or custom "mood" tags. An "Eternal" feature within a Beets environment would act as a for your curation. : For every track in the