King Crimson is a British rock band formed in 1969, known for pioneering the progressive rock genre. Their music blends elements of rock, jazz, and classical, creating complex and innovative soundscapes. The band's debut album, In the Court of the Crimson King, is often regarded as a landmark in rock history, featuring intricate compositions and thought-provoking lyrics. Over the years, King Crimson has undergone numerous lineup changes, with guitarist Robert Fripp being the constant driving force behind the band. Their evolving sound has influenced countless musicians and bands, making them a significant force in the world of experimental music.