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Tear Jerker: Radio Days
The Polly Phelps story, in-universe as well as out.
The Narrator's closing line: "I never forgot that New Year's Eve when Aunt Bea awakened me to watch 1944 come in. I've never forgotten any of those people or any of the voices we would hear on the radio. Though the truth is, with the passing of each New Year's Eve, those voices do seem to grow dimmer and dimmer..."