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| ==Origin== | | ==Origin== |
| Originally ''cord'' , aphetic form of [[accord]] | | Originally ''cord'' , aphetic form of [[accord]] |
− | *[http://en.wikipedia.org/wiki/17th_century 1608] | + | *[https://en.wikipedia.org/wiki/17th_century 1608] |
| ==Definitions== | | ==Definitions== |
| * three or more [[musical]] [[tones]] sounded [[simultaneously]] | | * three or more [[musical]] [[tones]] sounded [[simultaneously]] |
| ==Description== | | ==Description== |
− | A '''chord''' in [[music]] is any [[harmonic]] set of two–three or more notes that is heard as if sounding simultaneously. These need not actually be [[played]] [[together]]: [http://en.wikipedia.org/wiki/Arpeggio arpeggios] and broken chords may for many [[practical]] and [[theoretical]] [[purposes]] be [[understood]] as chords. Chords and [http://en.wikipedia.org/wiki/Chord_progression sequences of chords] are frequently used in modern western, west African and Oceanian music, whereas they are absent from the music of many other parts of the world. | + | A '''chord''' in [[music]] is any [[harmonic]] set of two–three or more notes that is heard as if sounding simultaneously. These need not actually be [[played]] [[together]]: [https://en.wikipedia.org/wiki/Arpeggio arpeggios] and broken chords may for many [[practical]] and [[theoretical]] [[purposes]] be [[understood]] as chords. Chords and [https://en.wikipedia.org/wiki/Chord_progression sequences of chords] are frequently used in modern western, west African and Oceanian music, whereas they are absent from the music of many other parts of the world. |
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− | The most frequently encountered chords are [http://en.wikipedia.org/wiki/Triad_(music) triads], so called because they consist of [[three]] distinct [[notes]]: further notes may be added to give [http://en.wikipedia.org/wiki/Seventh_chord seventh chords], [http://en.wikipedia.org/wiki/Extended_chord extended chords], or [http://en.wikipedia.org/wiki/Added_tone_chords added tone chords]. The most common chords are the [http://en.wikipedia.org/wiki/Major_chord major] and [http://en.wikipedia.org/wiki/Minor_chord minor] triads and then the [http://en.wikipedia.org/wiki/Augmented_triad augmented] and [http://en.wikipedia.org/wiki/Diminished_chord diminished] triads. The descriptions "major", "minor", "augmented" and "diminished" are sometimes referred to [[collectively]] as chordal "quality". Chords are also commonly classed by their root note so, for instance, the chord C Major may be described as a triad of major quality built upon the note C. Chords may also be classified by [http://en.wikipedia.org/wiki/Inversion_(music) inversion], the order in which their [[notes]] are stacked. | + | The most frequently encountered chords are [https://en.wikipedia.org/wiki/Triad_(music) triads], so called because they consist of [[three]] distinct [[notes]]: further notes may be added to give [https://en.wikipedia.org/wiki/Seventh_chord seventh chords], [https://en.wikipedia.org/wiki/Extended_chord extended chords], or [https://en.wikipedia.org/wiki/Added_tone_chords added tone chords]. The most common chords are the [https://en.wikipedia.org/wiki/Major_chord major] and [https://en.wikipedia.org/wiki/Minor_chord minor] triads and then the [https://en.wikipedia.org/wiki/Augmented_triad augmented] and [https://en.wikipedia.org/wiki/Diminished_chord diminished] triads. The descriptions "major", "minor", "augmented" and "diminished" are sometimes referred to [[collectively]] as chordal "quality". Chords are also commonly classed by their root note so, for instance, the chord C Major may be described as a triad of major quality built upon the note C. Chords may also be classified by [https://en.wikipedia.org/wiki/Inversion_(music) inversion], the order in which their [[notes]] are stacked. |
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− | However, since the structural [[meaning]] of a chord depends exclusively upon the [http://en.wikipedia.org/wiki/Scale_degree degree of the scale] upon which it is built, chords are usually analysed by numbering them, using [http://en.wikipedia.org/wiki/Roman_numerals Roman numerals], upwards from the key-note (See [http://en.wikipedia.org/wiki/Diatonic_function diatonic function]). There are four common ways of [http://en.wikipedia.org/wiki/Chord_(music)#Notation notating or representing chords] in western music other than conventional staff notation; Roman numerals, figured bass, much used in the [http://en.wikipedia.org/wiki/Baroque_music Baroque era], [http://en.wikipedia.org/wiki/Macro_analysis macro symbols], sometimes used in modern musicology, and various systems of [[symbols]] and notations such as are typically found in the lead sheets, fake books and chord charts used in [http://en.wikipedia.org/wiki/Chord_names_and_symbols_(jazz_and_pop_music) jazz and popular music] to lay out the harmonic groundplan of a piece so that the musician may [[improvise]] a part.[http://en.wikipedia.org/wiki/Chord_%28music%29] | + | However, since the structural [[meaning]] of a chord depends exclusively upon the [https://en.wikipedia.org/wiki/Scale_degree degree of the scale] upon which it is built, chords are usually analysed by numbering them, using [https://en.wikipedia.org/wiki/Roman_numerals Roman numerals], upwards from the key-note (See [https://en.wikipedia.org/wiki/Diatonic_function diatonic function]). There are four common ways of [https://en.wikipedia.org/wiki/Chord_(music)#Notation notating or representing chords] in western music other than conventional staff notation; Roman numerals, figured bass, much used in the [https://en.wikipedia.org/wiki/Baroque_music Baroque era], [https://en.wikipedia.org/wiki/Macro_analysis macro symbols], sometimes used in modern musicology, and various systems of [[symbols]] and notations such as are typically found in the lead sheets, fake books and chord charts used in [https://en.wikipedia.org/wiki/Chord_names_and_symbols_(jazz_and_pop_music) jazz and popular music] to lay out the harmonic groundplan of a piece so that the musician may [[improvise]] a part.[https://en.wikipedia.org/wiki/Chord_%28music%29] |
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| [[Category: Music]] | | [[Category: Music]] |