multiple artists on compilation box

[simoncn]

The AlbumArtist index shows only AlbumArtist tags. To view Artist tags, you need to use either the Artist index or the All Artists index.

The Artist index shows the AlbumArtist tag for the album if it has an AlbumArtist tag. if the Album doesn't have an AlbumArtist tag, the Artist index shows all the Artist tags for the album. If one of the Artist values is only tagged for certain tracks, selecting this artist will only show that artist's tracks, so selecting Argerich would show only CD 25.

The problem with this is that the album won't get merged in the albums list if CD 25 is in a different folder from the other CDs because there is no match between CD 25 and the other CDs for either the AlbumArtist tag or the Artist tags. For albums to be merged across folders, the album name must match and either the AlbumArtist tag must match or all the Artist tags must match.

You can get all the CDs merged into one album by putting them all in the same folder and not setting the AlbumArtist tag, just the Artist tags. In this case, only the album name must match. This should do what you want.