Probably with Stevie the band could get a bigger commercial success than the previous albums, but only if they get also a very good producer; I deduce it from the weak success of Behind the Mask, though it's just a clue, not an evidence.
With just Lindsey, the critics would have said they had very good albums, probably not great commercial successes.
Anyway, in both cases there wouldn't have been the albums we got. There wouldn't have been a Rumours phenomenom.
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