Today in Music History: Sony introduced the Walkman

Sony launches new Walkman 40 years after original release but it costs an eye-watering amount

Before Apple iPhone, iPod, Sony Walkman made music portable

Sony Walkman TPS-L2 Portable Cassette Player (First Generation)

Sony Group Portal - Product & Technology Milestones−Personal Audio

Sony Walkman Turns 36 This Year - A Look At the Iconic Device

Obituary: Sony Walkman - Goldmine Magazine: Record Collector & Music Memorabilia

The First Sony Walkman Was Released 40 Years Ago Today

How walkman-changed-the-music-scene, Travel and Music Consultant, Rick Perdian

A Brief History of the Walkman – Outdoor Speakers UK

Portable Audio, Personal Mixtapes, and the Sony Walkman