K.K. Works 1998-2000 is a compilation of tracks by Kahimi Karie recorded in the title years. It was issued in 2001 by the Japanese major label Polydor. The songs are from the full-length albums K.K.K.K.K. and Tilt and the EPs and (collaborations with Momus and The Olivia Tremor Control, respectively). The version of Momus' "Pygmalism" found on the K.K. Works album is taken from a remix CD issued with the rare multi-media collector's item K.K. Limited Edition 2000.