While thinking about a reply, it occurred to me that I forgot to mention SongKong. The developer is a member of the Roon community, check out this thread:
Roon is a great application for playing your music, but SongKongs totally automated music tagging features can make it even better, and like Roon we really care about metadata. Roon cannot always identify all your music, especially if your music includes partial albums or invalid metadata.
Using SongKong on your music library:
Improves the metadata to allow Roon to identify albums it could not previously
Can also reorganize folder structure to put split albums back into one album = one folde…