It would be great if there was a better system to edit tags for music. Something in a similar fashion to iTunes maybe?
What in the “fashion to iTunes” do you have in mind?
More fields, Plex writing the tags back into the files… – your suggestion isn’t really clear as for what you’re actually looking for 
Plex is just a player/streamer, in principle you’re supposed to edit/prepare your metadata outside of Plex - either as embedded mp3/flac tags that get read from the file and then copied into the Plex database, or get downloaded from Musicbrainz, and then copied into the Plex database.
Editing metadata in the Plex interface itself only updates the internal database, it is not a tag editor. Writing tags to files is probably a route that Plex doesn’t want to take, things are already quite complex enough.
If you mean PRIOR to adding the music files to your Plex library, so that things can be identified easier/properly when Plex goes to pull the information for them, then what I use is: MP3Tag. Slight learning curve, but does wonders for my music tagging. Don’t be fooled by the name, it supports many more file types than just MP3.
This is quite helpful. I have a giant iTunes library that I would love to migrate into Plex. I understant that Plex isn’t the same as iTunes and there are numerous third party programs to do what iTunes does in it’s software for instance when adding music into iTunes it will “keep iTunes folder organized” and will rename the tracks as per ID3 tags. But as other users have mentioned there’s no actual tag editing within Plex so I feel like this is something that simply can’t be implemented into Plex.
Basically I’d love to have a full on music functionality similar to iTunes in terms of being able to manipulate tags/metadata as simply as I do in iTunes.
iTunes has the option to keep folders/filenames organised, but it works just as well without it.
There’s a few caveats with managing a library in iTunes (or Catalina’s Music app) and using Plex for remote access:
- In iTunes, an album can span multiple unrelated folders (because it organises by tags alone), Plex requires all tracks of an album to be in the same folder (or with subfolders like “/cd1”, “/cd2”)
- Plex doesn’t support the Compilation tag, so you won’t see a separate “compilations” section in the clients, or see compilation tracks in the Artist view like in iTunes. Compilations in Plex are basically just treated like a normal album by some dude called “Various Artists” as the album artist, sorted under “V”.
- Unlike iTunes, Plex doesn’t support the Composer, Work and Movement tags, so it’s not ideal for classical music
- If you use Grouping or Comments fields for organisation in iTunes, Plex doesn’t read/use them.
- Unlike iTunes, Plex only works with Year and Genre(s) on the album level, not on the track level. So for example, for an album with individual tracks ranging from 1995-2005, Plex will give all tracks the year 2005.
Plex does have a few features that iTunes doesn’t have:
- through the MusicBrainz artistID matching, Plex can distinguish between different Artists with the same name, while iTunes doesn’t look any further than embedded tags.
- also from online matching with MusicBrainz (and last.fm and Allmusic) Plex gets additional fields like “Styles” and “Moods”.
2021 clean-up: duplicate
