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Eyo Okpo-Ene™ on Twitter: "Sony Walkman is 40 years old today. If you know; you know. #sonywalkman #1979 #musiclovers https://t.co/s4oEwBs69A" / Twitter
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Smithsonian Collections Object: The Sony TPS-L2 “Walkman” Cassette Player, National Museum of American History | Bibliolore
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