Ip rights should just end after a relatively quick slice of time. You made your money off it, now it’s time to pass it on to the public. A payment model just ensures the only entities who can hold ip long term are corporations.
And that is why some of these composers were so prolific - to keep up their payday, they had to crank out music instead of collecting on royalties of performances they were directly involved with.
Unthinkable today, really.
The current regime is a clear case of regulatory capture.