1984 - Pg 66

 And then, for perhaps half a minute in all, something happened to the telescreens. The tune that they were playing changed, and the tone of the music changed too. There came into it--but it was something hard to describe. It was a peculiar, cracked, braying, jeering nore; in his mind Winston called it a yellow note. And then a voice from the telescreen was singing:
           "Under the spreading chestnut tree
            I sold you and you sold me:
            There lie they, and here lie we
            Under the spreading chestnut tree."
   The three men never stirred. But when Winston glanced again at Rutherford's ruinous face, he saw that his eyes were full of tears. And for the first time he noticed, with a kind of inward shudder, and yet not knowing at what he shuddered, that both Aaronson and Rutherford had broken noses.