Older iTunes Library: Error -50 when getting Album Artwork?

[jk2gs]

Some time ago, I explained the issue of embedded art with some screen shots which may be helpful but it’s hard to say if that is the issue:

iTunes vs the Music app

As I mentioned yesterday, using the Finder to check cover art for music files is not reliable with Catalina as some thumbnails such as those for AIFF files do not show up while others do like mp3 or ALAC. Thumbnails were always available in the Finder with Mojave and previous OS versions. Here are two screen shots to illustrate the issue with the same files using Mojave and Catalina: [Screen Shot Mojave thumb] [Screen Shot Catalina thumb] I checked my Monterey VM installation and all thumbn…