Welcome to the madhouse.
I don't know the answer, but this post will bump it up to the top, so maybe someone will see it who does.
It's a nice cryptic title, but I've found to my cost that the people you want to open the thread, don't. So maybe if you put a polite request to a mod they could add an explanitory bit like .. UK duo, or ... 70s Surrey group, it would get more response.
People here are very helpful and generous, but a lot of them are from the US.