Plex is badly mangling import of a Music library

[Gretschguy]

Here’s a good example of a post from someone else referring to same matching (cover art) problem i just described:

Problems displaying embedded album art

I’m using the following settings and all my albums feature the correct embedded tag metadata and 98% of my albums display the correct embedded album cover but around 2% are blank. If I run ‘Refresh Metadata’ on the album then refresh the page, the embedded album cover is displayed but a day or two later I come back and the same 2% are back to displaying no cover art again. Before refreshing one of the albums, if I go into edit the album’s properties the ‘Poster’ page displays one or two covers w…