In terms of chords and melody, Paper Bag is significantly more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord-Melody Tension, Chord Progression Novelty and Chord-Bass Melody.
Paper Bag has sections analyzed in the following keys: F♯ Minor, and F♯ Phrygian. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!