In terms of chords and melody, The Court of the Crimson King is more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord-Melody Tension and Chord Progression Novelty.
The Court of the Crimson King has sections analyzed in the following keys: E Minor, D Mixolydian, and E Mixolydian. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!