I find it belongs to the music section introduced a category called "compilation" or "Series" as there is etc on Musicbrianz.
Https://musicbrainz.org/series/1350fce9 ... 3cfb869499
Https://musicbrainz.org/series/4c3dfbe8 ... b857a3ac2b
Https://musicbrainz.org/series/5229d679 ... 76fe2171d6
There is a separate MBID.
It would relieve the Various Artist where so far no Cdarts to the upload function.
And in addition, it is certainly clearer if you look for a cover or Cdart. And you could also design individual fanarts and logos. This looks very good in KODI.