File:Elektra chord.png

Created by Hyacinth (talk). Source: H. H. Stuckenschmidt; Piero Weiss. "Debussy or Berg? The Mystery of a Chord Progression", The Musical Quarterly, Vol. 51, No. 3. (Jul., 1965), pp. 453-459.

Fair use for Elektra chord
The image linked here is claimed to be used under fair use as:
 * 1) it is a very short portion of one part of the entire piece;
 * 2) the transcription is only being used for informational purposes;
 * 3) it is inferior to the original piece;
 * 4) Its inclusion in the article adds significantly to the article because it provides an example of a bitonal polychord.

Fair use for List of chords
The image linked here is claimed to be used under fair use as:
 * 1) it is a very short portion of one part of the entire piece;
 * 2) the transcription is only being used for informational purposes;
 * 3) it is inferior to the original piece;
 * 4) Its inclusion in the article adds significantly to the article because it provides an example of a bitonal polychord.