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