Sorting by AlbumArtistSort?

[simoncn]

Album_Artists and Album_Artists_Sort are tags used by SongKong. They are not an industry standard. From your post, it sounds like you are using the more standard AlbumArtist and AlbumArtistSort tags. To sort your AlbumArtist tags using AlbumArtistSort values, you can use these settings:

indexTags: Album_Artists:Album Artists, All Artists, Date, -OriginalDate:Original Date, Genre
Item tags: AlbumArtistSort, ArtistSort, Composer, Work, Orchestra, Conductor, Ensemble, Performer, Choir
tagOptions: Date.yearOnly.index.sort, OriginalDate.yearOnly.index.sort
tagValue: AlbumArtist.value.sort={AlbumArtistSort}, Artist.value.sort={ArtistSort}, Album_Artists.default={AlbumArtist, Artist}