The screenshot I posted is of the ONLY artwork ANYWHERE in my ENTIRE Music installation...two libraries...no album covers, no nothing else.
These are the images I should have (more or less), so I suppose it's possible that iTunes (The issue precedes Music.) grabbed the first images it found, but I'm still at a loss as to when, where, how, why only those two, and, most importantly, where they live.
I booted into another volume and trashed the obvious victims in ~/Music/Music/Music Library.musiclibrary/Contents
- Extras.itdb
- Genius.itdb
- and Preferences.plist
leaving
- Application.musicdb
- Library Preferences.musicdb
- and Library.musicdb
intact, because they're more recent and sound more important,and I didn't want to mess with them over an inconsequental issue, but with no joy.
Update: Oh, well, I finally just trashed everything, one at a time, and found that those images somehow lived in Library.musicdb. They're now gone, and I've got to reconfigure my Music window...GIANT PIA!
Thanks for your help.