Beatles, The vs The Beatles

[simoncn]

In indexTags, change

Artist, Date, Genre, All Artists, Composer

to

Artist, Date, Genre, All Artists, Composer, AlbumArtist

and click OK, then select Restart from the minim icon.

When MinimServer has restarted, you can view your Artist tags in the All Artists index and you can view your AlbumArtist tags in the AlbumArtist index. This should show you exactly where the inconsistencies are.