As a youngster I remember watching "That Was the Week That Was". David Frost, Shirley Bassey singing. All tapes wiped. BBC did it for Fred Hoyle's "A for Andromeda", which was Julie Christie's more or less screen intro, I believe.

But NM is correct. Not everything can be saved, and nothing lasts forever.

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If they can get you asking the wrong questions, they don't have to worry about the answers.