In terms of chords and melody, Three Or Four has complexity on par with the typical song, having near-average scores in Chord-Melody Tension and below-average scores in Chord Complexity, Melodic Complexity, Chord Progression Novelty and Chord-Bass Melody.
Three Or Four has sections analyzed in the following keys: B Minor, D Major, and G Mixolydian. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!