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A guitarist performing a C chord with G bass. In Western music theory, a chord is a group [a] of notes played together for their harmonic consonance or dissonance.The most basic type of chord is a triad, so called because it consists of three distinct notes: the root note along with intervals of a third and a fifth above the root note. [1]
The implementation of chords using particular tunings is a defining part of the literature on guitar chords, which is omitted in the abstract musical-theory of chords for all instruments. For example, in the guitar (like other stringed instruments but unlike the piano ), open-string notes are not fretted and so require less hand-motion.
The patterning of chords in a cadence for example indicates a movement from a V chord to a I chord. The fact that the I chord is perceived as a resting point in a musical phrase implicates, that the single chords built up on notes of a scale are not equal in there stability but show the same differences in stability as the notes of the scale do.
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 on the note C. Chords may also be classified by inversion, the order in which the notes are stacked. A series of chords is called a chord progression.
Chord (aeronautics), the distance between the front and back of a wing, measured in the direction of the normal airflow. The term chord was selected due to the curved nature of the wing's surface; Chord in truss construction – an outside member of a truss, as opposed to the inner "webbed members"
Mozart's Piano Sonata, K 545 opening. The right hand plays the melody, which is in the top stave. The left hand plays the accompaniment part, which is in the lower stave. In the first bar of the accompaniment part, the pianist plays a C Major chord in the left hand; this chord is arpeggiated (i.e., a chord in which the notes are played one after the other, rather than simultaneousl
In music theory, a major chord is a chord that has a root, a major third, and a perfect fifth. When a chord comprises only these three notes, it is called a major triad . For example, the major triad built on C, called a C major triad, has pitches C–E–G:
Other types of harmony are based upon the intervals of the chords used in that harmony. Most chords in western music are based on "tertian" harmony, or chords built with the interval of thirds. In the chord C Major7, C–E is a major third; E–G is a minor third; and G to B is a major third.