The highly anticipated 1982 sequel failed to meet expectations at the time but has since charmed an adoring following with its ambitions dance numbers and nonstop ear worms. What’s a “good-bad” movie? It’s the kind of flick that might have you cackling, hollering or groaning, one that is not necessarily great cinema but is great fun. It’s highly watchable even though — or maybe because — it’s memorably ridiculous. And it... [1653 chars]