When you're left to draw both audiences and performers from a much-diminished pool it is more likely that the format with the widest appeal will win out, leaving the specialists/purists with nowhere to go.
incorrect, it will be clubs, where clubs are clubs and people socialise and where people make their own entertainment, where guests are not booked every week, where singers are so plentiful,
That guests are not wanted, in some ways this is good, in one way it is not, GUEST SINGERS HELP TO RAISE STANDARDS, yet before the revival, this was how it was, people made their own entertainment