Plex Music Tagging Problems

Plex Media Server Desktops & Laptops
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4

This would be the only way. But you have to stick to the convention by-the-letter.
Try this:

Music/Q/Queen/Queen - Greatest Hits I, II & III (2011)/
   01. Queen - Bohemian Rhapsody.aiff
   02. Queen - Another One Bites The Dust.aiff
   03. Queen - Killer Queen.aiff
   ...

So the name of the album folder must always include the albumartist name, then a space dash space and the album title.
(Yes, despite of the parent folder bearing the artist’s name already.)
And the files always
tracknumber. trackartist - tracktitle

Important: After renaming the files and folders, perform the Plex Dance (you can leave out step 4 with music)

If you have an album with multiple discs, you can use one subfolder per disc, named Disc n.