Today in Music History: Sony introduced the Walkman

40 years ago Sony's Walkman changed the way we listened to music - CNET

Breaking convention with the first WALKMANⓇ. How Sony Invented Music on the Go. 【Sony Official】

Sony Group Portal - Product & Technology Milestones−Personal Audio

A Brief History of The Walkman - TIME

Sony Walkman - Design Museum

Walkman effect - Wikipedia

Sony Group Portal - Product & Technology Milestones−Personal Audio

UX inspiration from history: Sony Walkman

Cassette player historical hi-res stock photography and images - Alamy