- “Refresh Metadata” on the album level.
- “Refresh Metadata” on the artist level.
- perform the Plex Dance “light” (i.e. without step 4)
Method 3) is only necessary if you have changed a tag which would influence the database structure.
Don’t expect changes to the “Artist Sort Order” tag to have any influence after the album artist in question has been created in Plex for the first time. You would have to use method 3 on the artist level, with one server maintenance period inbetween removing and re-adding-
If you enable “prefer local metadata” in the properties of your library, you better follow the priciples laid out in here: Refresh of library is not picking up changed file metadata - #2 by OttoKerner