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1990s Sony Walkman WM-EX521 portable cassette player | Sony walkman, Cassette player, 90s childhood nostalgia
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Old Sony Walkman Cassette Player with Open Lid Editorial Image - Image of entertainment, equalizer: 125367385
![Smithsonian on Twitter: "We don't mean to ruin your Monday but this turns 40 today. In 1979, the Sony Walkman TPS-L2—the world's first portable music player—went on sale. This one is in Smithsonian on Twitter: "We don't mean to ruin your Monday but this turns 40 today. In 1979, the Sony Walkman TPS-L2—the world's first portable music player—went on sale. This one is in](https://pbs.twimg.com/media/D-ZKjT0UIAAI5bw.jpg)
Smithsonian on Twitter: "We don't mean to ruin your Monday but this turns 40 today. In 1979, the Sony Walkman TPS-L2—the world's first portable music player—went on sale. This one is in
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