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