The three that are missing are surprising, given that a lot in their catalogs are on Spotify.
One is “Tonight, Tonight, Tonight” by Genesis, which has the wrong master. The one on YouTube is MUCH richer on the bass, and it paints a much better sonic picture of the world in the lyrics. Thanks to the distributor not paying any attention, you can’t buy this version as a digital file anywhere.
Then there’s Virginia Astley, with the lush and beautiful “A Father” and “Charm.”