Polychord.html |
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In music and music theory, a bichord or polychord consists of two or more chords, one on top of the other.
The use of polychords may suggest bitonality or polytonality. Harmonic parallelism may suggest bichords.
Examples may be found in Igor Stravinsky's Petrushka, p.15, and Rite of Spring, "Dance of the Adolescents" (1921) (DeLone et al. 1975, p.336). They may also be found in the song "Point of No Return" from Andrew Lloyd Webber's The Phantom of the Opera, including chords such as Fm over E♭m or A over Fm.
Extended chords contain more than one triad, and so can be regarded as a type of polychord:
Examples include the Elektra chord which may be regarded as an eleventh or a poly- chord.
See also
Source
- DeLone et al. (Eds.) (1975). Aspects of Twentieth-Century Music. Englewood Cliffs, New Jersey: Prentice-Hall. ISBN 0-13-049346-5.
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| By Type | Triad | Major · Minor · Augmented · Diminished · Suspended |
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| Seventh | Major · Minor · Dominant · Diminished · Half-diminished · Minor-major · Augmented major · Augmented minor | |
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| Extended | Ninth · Eleventh · Thirteenth · Upper structure | |
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| Other | Sixth · Minor sixth ·Augmented sixth · Altered · Added tone · Polychord · Quartal and quintal · Tone cluster · Power chord | |
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| By Function | Diatonic | Tonic · Dominant · Subdominant · Submediant |
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| Altered | Borrowed · Neapolitan chord · Secondary dominant | |
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| With Names | Elektra chord · Hendrix chord · Mystic chord · Petrushka chord · Tristan chord · Psalms chord · So What chord | |
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