Most of the streaming services that can stay solvent AND pay artists a fair amount (debatable what that is) are ones that are attached to a larger company like Amazon and Apple that don't have to rely on music as a stand alone business model.
The truth is, music is just not valued enough (has it EVER been?) for most people to be willing to pay much for it. Unless you're the kind of artist that inspires a kind of cult of personality, in which case fans will buy everything you throw at them.
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