トワ・エ・モワ, a Japanese pop and folk duo composed of Emiko Yamamuro (later known as
Emiko Shiratori) and Sumio Akutagawa, began their career in 1968. Their debut
single "Aru hi totsuzen" peaked at fourth place on the Oricon chart, while their
first album, 或る日突然〜トワ・エ・モワの世界, released in October 1969, is considered a classic
of Japanese folk music and marked one of the earliest mixed-gender groups in
Japan. From 1969 to 1973, トワ・エ・モワ released several successful albums and
singles, including hits like "Sora yo", "Daremo inai umi" and "Chikyuu wa mawaru
yo". Notably, their song "Niji to y...