In terms of chords and melody, Hessian Peel is more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord-Melody Tension and Chord-Bass Melody.
Hessian Peel has sections analyzed in the following keys: D Major, B Major, B Minor, and A Minor. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!