Today in Music History: Sony introduced the Walkman

Smithsonian Collections Object: The Sony TPS-L2 “Walkman” Cassette Player, National Museum of American History

Sony Walkman - Maine Home + Design

FEATURE: Forty Years of the Sony Walkman: 1st July, 1979: An Historic and Iconic Day for Music — Music Musings & Such

Smithsonian Collections Object: The Sony TPS-L2 “Walkman” Cassette Player, National Museum of American History

The Walkman Turns 40: See Every Generation of Sony's Iconic Personal Stereo in One Minute

What Happened on July 1st in Music

Walkman - Wikipedia

During this week in history, the way we listened to music changed forever

Today in History – Sony Introduces the Walkman (1979), by Charbel Torbey

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

Sony Group Portal - Product & Technology Milestones−Personal Audio