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1929: The First Gold Record.

First Gold Record.

  The first gold record was made by AT&T - not to honor a half-million seller but to improve the sound of music. AT&T scientists discovered that surface noise on records could be greatly reduced if a thin layer of gold was sputtered on the wax master. This made the surface smoother - and less noisy.

  Gold master records were first used for motion picture and broadcast sound recordings and, after World War II, for phonograph records.

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