Prefer ALBUMARTISTS to ALBUMARTIST when PreferNonstandardArtistsTag set #14413
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Jellyfin implemented ARTISTS multivalue tag but did not implement the equivalent ALBUMARTISTS multivalue tag. This change adds ALBUMARTISTS support. If present and PreferNonstandardArtistsTag is set, ALBUMARTISTS will be used in preference to ALBUMARTIST. As with ARTISTS, the intent is to offer support for multiple album artists without affecting software that does not read ALBUMARTIST as a multivalued tag.
Example album before/after:
ALBUM : Amici e Rivali
ARTIST : Lawrence Brownlee / Michael Spyres
album_artist : Lawrence Brownlee
ARTISTS : Lawrence Brownlee;Michael Spyres
ALBUMARTISTS : Lawrence Brownlee;Michael Spyres
Before ALBUMARTISTS support, Jellyfin reports:
Album Artist: Lawrence Brownlee [hyperlinked]
On each track Artist: Lawrence Brownlee, Michael Spyres
After ALBUMARTISTS support, Jellyfin reoprts:
Album Artist: Lawrence Brownlee [hyperlinked], Michael Spyres [hyperlinked]
On each track Artist: none shown (no other artists in source metadata)
This is ideal as both key artists are hyperlinkable from their albums.
References to other products implementing ALBUMARTISTS:
- Navidrome: https://www.navidrome.org/docs/usage/tagging-guidelines/#handling-multiple-artists-and-collaborations
- Kodi: https://kodi.wiki/view/Music_tagging#albumartists
- MusicBrainz Picard: https://picard-docs.musicbrainz.org/en/variables/variables_basic.html (_albumartists tag)
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When I implemented the nonstandard field ARTISTS I was not aware that there was also one for album artists.
Unlike the softwares you mentioned, Jellyfin actually does not prefer such nonstandard extensions as the tag formats nowadays have their own way handing multi-value fields.
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This assists with interop between products. For example when Plex and Jellyfin are both looking at the same library, Plex cannot have multiple album artists even with a separator. For the above example, if ALBUMARTIST="Lawrence Brownlee / Michael Spyres" (with "/" representing your choice of separator), you could end up with Plex showing 3 album artists -- Lawrence Brownlee and Michael Spyres from their own separate albums that may already be in your collection, and then a new artist named exactly "Lawrence Brownlee / Michael Spyres". This change allows Jellyfin and Plex to interoperate sensibly on the same library with all Jellyfin's multiple artist functionality, and to do so compatibly with other products that are commonly used in this space that use ALBUMARTISTS when available. |
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Just to add, although the formats have ways of addressing multivalue tags, the software does not necessarily, Plex being an example of a current popular product with no multivalue tag support. |
Prefer ALBUMARTISTS to ALBUMARTIST when PreferNonstandardArtistsTag set
Changes
Jellyfin implemented ARTISTS multivalue tag but did not implement the equivalent ALBUMARTISTS multivalue tag. This change adds ALBUMARTISTS support. If present and PreferNonstandardArtistsTag is set, ALBUMARTISTS will be used in preference to ALBUMARTIST. As with ARTISTS, the intent is to offer support for multiple album artists without affecting software that does not read ALBUMARTIST as a multivalued tag. Jellyfin supports multiple album artists.
Example album before/after:
Before ALBUMARTISTS support, Jellyfin reports:
Album Artist: Lawrence Brownlee [hyperlinked]
On each track Artist: Lawrence Brownlee, Michael Spyres
After ALBUMARTISTS support, Jellyfin reoprts:
Album Artist: Lawrence Brownlee [hyperlinked], Michael Spyres [hyperlinked]
On each track Artist: none shown (no other artists in source metadata)
This is ideal as both key artists are hyperlinkable from their albums.
References to other products implementing ALBUMARTISTS:
Issues
Fixes #14409