Sony Walkman at 40: fans nostalgic for first portable music player

Sony's premium Walkman music players are now available in Singapore, Digital News - AsiaOne

Is the CD Revival an Actual Thing?

Sony Walkman Cassette Player TPS-L2 - (Fully Operational) Serial No: 490496

Retro Sony Walkman

Hit rewind: Sony Walkman triggers nostalgia 40 years after launch

Sony's Walkman, the first truly affordable portable music player, turns 40

BBC Learning English - 6 Minute English / Walkman: the music player revolution

Sony holds 40th anniv. event for iconic Walkman music player

SONY celebrates the WALKMAN's 40th birthday with nostalgic exhibition