Founded in 1989, this Japanese band only has two members, Chako and Makoto Hattori. They've been married since 1992. While Makoto remains mostly behind the scenes handling technical aspects of the music, Chako is a visual spectacle of wild or spikey hair, flowing priestess gowns, strange talismans and heavy, morbidly styled makeup. Japan's Jack or Jive create lush, dark and disturbing music that straddles the line between ritual, new age and experimental electronics music. Read more on Last.fm