You could consider the marketing factor: early work from lesser musician is designed to sell. Then when fame is there, maybe they can focus on something more dr

You could consider the marketing factor: early work from lesser musician is designed to sell. Then when fame is there, maybe they can focus on something more driven by their artistic désires. The stones released a classic blues album lately. That was purely for them not so much for selling. They can afford that because of their huge fame.