Hello,
I recently updated from Mojave to Catalina (10.15.3) and noticed that, with the change from the "iTunes" app to the new "Music" app, the "Pause and resume iTunes / Spotify" feature (Preferences > Interface > Main interfaces > macosx) no longer works (i.e., when the "Music" app is playing a song and I open a video in VLC, the "Music" app doesn't pause automatically).
Is anyone aware of a fix or workaround for this issue? Or could it be an issue that is specific to my computer?