" ("Dead Leaves") by
Claude Debussy. '' by
Maurice Ravel. In the example on the top right, we see a series of
quartal chords in parallel motion, in which the intervallic relationship between each consecutive chord member, in this case a
minor second, is consistent. Each note in the chord falls by one semitone in each step, from F, B, and E in the first chord to D, G, and C in the last. ==Usage in electronic music==