I think I’ve been subsumed into the hive-mind. That schema made sense. Though I retain just enough to realise that it would be difficult for some new users.
Hacking my way through thickets of fake news saying that cddb was the best database I found the following which is a ok start, and better than nothing;
With a graphic of basic entities it would be somewhere that forum members could send even the least skilled, “Just give me the basics in 10 seconds”, new user.