In terms of chords and melody, It's a Very Starry Night is more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord Progression Novelty and Chord-Bass Melody.
It's a Very Starry Night has sections analyzed in the following keys: D♭ Major, and A Major. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!