In terms of chords and melody, Fukkatsu no Ideon is more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord Progression Novelty and Chord-Bass Melody.
Fukkatsu no Ideon has sections analyzed in the following keys: C♯ Minor, and E Major. Click on the linked cheat sheets for popular chords, chord progressions, downloadable midi files and more!