Sachiko Kamachi (蒲池 幸子, Kamachi Sachiko, February 6, 1967 – May 27, 2007), known professionally as Izumi Sakai (坂井 泉水, Sakai Izumi), was a female Japanese pop singer, songwriter, and member of the group Zard. As Sakai was the only member who stayed in the group while others joined and left regularly, Zard and Sakai may be referred to interchangeably. She was the best-selling female recording artist of the 1990s and has sold over 42 million copies of sales, making her one of the best-selling music artists in Japan of all time. More information...
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