I'm not sure I understand for 100% what you are aiming to do exactly, but as I suggested earlier, I am guessing it can be done if you use an additional <Album artists> tag.
Where <Album artist> is a single-value tag, and <Album Artists> is a multi-value tag.
e.g.
Album artist = Elis Regina & Tom Jobim
Album artists = Elis Regina; Antônio Carlos Jobim; Tom Jobim
If you then use a virtual tag something like this:
Album artists¨
$IsNull(<Album artists>,<Album Artist>,<Album Artist>;<Album artists>)
you can have this:
(https://i.imgur.com/gxUBrUQ.png)
You could also create a virtual tag that will display something like: 'Elis Regina with Antônio Carlos Jobim', and have that displayed under the album cover..
$If($Contains(<Album artists>,;)="T",$Split(<Album artists>,;,1)" with "$Split(<Album artists>,;,2),)
You can also define what sorting and/or grouping you want for these albums under Albums > Sort By and Group By