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