What is king crimson it just works?

King Crimson is a British progressive rock band that was formed in London in 1968. The band has undergone many line-up changes over the years, but guitarist Robert Fripp has been the only constant member. The band's music has been described as having elements of jazz, classical music, hard rock, and experimental music. Their debut album, "In the Court of the Crimson King," is considered a landmark in the progressive rock genre and has been highly influential on other musicians. King Crimson has continued to release new music and tour over the years, with a dedicated fan base that appreciates their complex, challenging music.