Difference between revisions of "Chord (music)"

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(added flat and sharp symbols in parens where the words are first used.)
(Replacing page with 'You plug things in with chords.')
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A '''chord''' in [[music]] consists of multiple [[musical note|notes]] played simultaneously, though two notes played simultaneously are usually called an interval.  The notes used to "build" a chord are usually assigned numbers, starting with "1" to denote the "root" note, which provides the name of the chord.  [[flat (music)|Flat]] (♭) and [[sharp (music)|sharp]] (#) symbols are used to alter the position in the [[key (music)|key]] that given notes are drawn from.  In Western music, chords are based upon the interval of the third, whether major or minor.
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You plug things in with chords.
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There are many types of chords in Western music, including (examples all have C as the root):
 
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*Major chord - consists of three notes with an interval of a major third followed by a minor third: 1-3-5, C-E-G
 
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*Minor chord - the third is dropped one half step: 1-♭3-5, C-D#-G
 
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*Power chord or open fifth - the third is dropped (common in hard rock): 1-5, C-G
 
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*Seventh chord - adds a fourth note, which depends on the key or sound desired.
 
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**Major seventh chord: 1-3-5-7, C-E-G-B
 
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**Major-minor seventh chord: 1-3-5-♭7, C-E-G-B♭
 
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**Minor seventh chord: 1-♭3-5-♭7, C-E♭-G-B♭
 
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**Half-diminished seventh chord: 1-♭3-♭5-♭7, C-E♭-G♭-B♭
 
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**Fully-diminished seventh chord: 1-♭3-♭5-♭♭7, C-E♭-G♭-B♭♭
 
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*Augmented chord - at its simplest, the fifth is raised a half step: 1-3-#5, C-E-G#
 
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*Diminished chord - the third and fifth are both dropped one half step: 1-♭3-♭5, C-E♭-G♭
 
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*Ninth chord - at its simplest, adds a fifth note: 1-3-5-7-9, C-E-G-B-D
 
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At this point, chords can start to have incredibly complex structures, for instance, the ninth chord described above could be minor, augmented, diminished, have a flat seventh, have missing notes between the root and the ninth, etc.
 
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The use of different kinds of chords (and [[chord progression|chord progressions]]) is very important to the sound and feel of different styles and genres of music.
 
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[[category:music]]
 

Revision as of 17:21, November 28, 2007

You plug things in with chords.

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