A..C..O (born February 3, 1977) is a Japanese singer. She made her debut in 1995 with the pop single . She is a part of Sony Music Japan. She explores different musical styles, with the albums Absolute Ego and Material displaying electronica influences. Absolute Ego was produced by ex-Denki Groove keyboardist, Yoshinori Sunahara and The Other Side of Absolute Ego album contains remixes by Tricky, DJ Krush, and Silent Poets. In 2003, after a two-year hiatus, she enlisted the help of the avant-garde audio-visual performance group for her quieter, more delicate album, Irony. AllMusic described Irony as "one of the most beautiful albums to come out of Japan in 2003", with the music compared to an "airy lullaby". Discography Studio albums 1996: Kittenish Love 1997: Nude 1998: Lady Soul 1999: Absolute Ego 2001: Material 2003: Irony 2006: Mask 2007: Aco Best: Girl's Diary 2010: Devil's Hands 2012: Luck 2013: TRAD 2015: Valentine Remix albums 2000: The Other Side of Absolute Ego References External links Official website ACO on Twitter ACO on Facebook Official blog (Old) Official website (Old) Discography (Old) 1977 births Japanese women pop singers Japanese pop musicians Ki/oon Music artists Living people Musicians from Aichi Prefecture 20th-century Japanese women singers 20th-century Japanese singers 21st-century Japanese women singers 21st-century Japanese singers