In postwar Tokyo, two engineers were tinkering with rice cookers and busted home radios when they stumbled across a new kind of audio technology: magnetic tape. It inspired them to create a range of ahead-of-their-time tape recorders — and the success took Sony from small repair shop to global electronics powerhouse.

Then, in 1979, after decades of bringing cutting-edge tech to homes across the world, they released their most surprising hit: a little cassette player you could clip to your belt.

Their invention made music portable and personal. For the first time, you could jog along to Bon Jovi, ride the bus with Blondie, and moonwalk to work with Michael Jackson. It turned headphones into a fashion statement, launched the mixtape era, and kicked off a global obsession with portable tech — paving the way for the iPod and the iPhone.

So slip in your party mixtape and press play as we take a moonshot with Barbra Streisand (seriously), unpack how Sony could’ve (should’ve?) won the digital music wars, find out why Steve Jobs smashed his Walkman to pieces, and why the Sony Walkman is the best idea yet.

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