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