In terms of chords and melody, Don't Stop Being Crazy has complexity on par with the typical song, having near-average scores in Melodic Complexity, Chord-Melody Tension and Chord-Bass Melody and below-average scores in Chord Complexity and Chord Progression Novelty.
Don't Stop Being Crazy has sections analyzed in the following keys: D♯ Minor, and B♭ Minor. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!