In terms of chords and melody, Mini Boss Theme (Danger on the Dance Floor) 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.
Mini Boss Theme (Danger on the Dance Floor) is written in the key of E Minor. According to the Theorytab database, it is the 2nd most popular key among Minor keys and the 8th most popular among all keys. Minor keys, along with major keys, are a common choice for popular music. The three most important chords, built off the 1st, 4th and 5th scale degrees are all minor chords (E minor, A minor, and B minor). See the E Minor Cheat Sheet for popular chords, chord progressions, downloadable midi files and more!