You should be able to get (most of?) what you want from the Plex Music scanner and agent by following the advice in this how-to:
It was originally posted several years ago but it has been kept up-to-date.
Supplemental to that, there’s some additional information in this support article, but it doesn’t go into nearly as much detail. One of the key takeaways from both is that you need to both have complete, correct tags for all your files and your file and folder naming structure needs to adhere to Plex’s naming guidelines.
