Keyco (born October 4, 1974 in Tokyo, Japan) is a Japanese singer-songwriter. Keyco independently released her first single, SPIRAL SQUALL, exclusively on vinyl in 1999. The following year, Keyco made her major label debut with her eponymous album. To date, she has released 5 studio albums, 2 mini-albums, a remix album, a collaboration album, and a best-of collection.

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