クリムゾン・キングの宮殿
In the Court of the Crimson King (subtitled An Observation by King Crimson) is the debut studio album by English rock band King Crimson, released on 10 October 1969 by Island Records. The album is one of the first and most influential of the progressive rock genre, where the band combined the musical influences that rock music was founded upon with elements of jazz, classical, and symphonic music.