In terms of chords and melody, Polyethylene (Parts 1 and 2) is more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord Progression Novelty and Chord-Bass Melody.
Polyethylene (Parts 1 and 2) has sections analyzed in the following keys: B Minor, D Minor, E Minor, and A Minor. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!