The harmonic structure associated with the 1950 Nat King Cole hit evokes a sense of whimsy and surprise. It blends swing and jazz elements, often employing seventh chords and chromaticism to create its distinctive sound. A common example is the use of major seventh and dominant seventh chords with alterations that mirror the song’s lighthearted feel.
The song’s unique arrangement and progressions contribute significantly to its enduring appeal. The playful use of harmony reflects the lyrical content, enhancing the listening experience. Historically, this approach represented a departure from more conventional popular music harmonies, demonstrating a sophisticated understanding of jazz harmony principles.