Yoshiko Sai (Japanese: 佐井好子 Born 22 June 1953) is a female singer-songwriter, composing mainly Folk and Progressive Rock, as well as J-Pop. She is well-known in Japan for releasing her first album 萬花鏡 ("Manka Mirror") when she was 22 years old, and for thoughtful, and poetic, lyrical folk, as well as progressive rock. She originally began as an artist at the age of 21, submitting her EP to her local radio station for a contest, was spotted by fellow artist 中山ラビ (Rabi Nakayama)