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