In this photo released by Casio Computer Co., Hiroko Okuda holds the Casio MT-40 portable keyboard player, which she created in 1981, at Casio Computer Co. headquarters in Tokyo on Feb. 9, 2022, ...

A musical revolution in Jamaica has a connection with a bouncy rhythm from a portable electronic keyboard that’s the brainchild of a Japanese woman. The pattern that resonates in the 1985 reggae hit ...