Por un escritor de hombre misterioso
How Sony's Walkman Created Headphone Culture - WSJ
Wired or wireless earphones – which design is best? - Domus
The Best Headphones According to Top Record Producers - WSJ
Sony Walkman - Electronics
Sony's Walkman Makes Comeback - WSJ
Dear Sony, don't get out of smartphones yet - CNET
Shopping for Portable MP3 Players - WSJ
Tom Sachs's Boom Boxes Will Bring the Party to Austin
Headphone Makers Plug Into Fashion World - WSJ
Walkman effect - Wikipedia
Streaminn Hub Radio
How Beats by Dre knocked out better headphones