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Basic Knowledge of Essential Chords for Guitar Learning

Views: 0     Author: Site Editor     Publish Time: 2024-03-23      Origin: Site


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The guitar is a harmonic instrument, and the use of chords plays an important role in guitar music, especially in folk guitar. The quality of the chord configuration is directly related to the effect of guitar accompaniment. So in a sense, folk arrangement is actually the configuration of chords. Therefore, it is necessary to first understand some basic knowledge of chords

smiger guitarwhat are chords?

A group of tones arranged according to a certain degree relationship is called a chord. There is a general third-degree relationship between the notes in a chord, but there are also non-third-degree relationships. Different chords have different color attributes and can achieve different sound effects, which makes the configuration of chords a very important content in music theory. Chords are generally triads, with three notes from low to high called root, third, and fifth. If it's a seventh chord, there's an extra seventh note.

The different functional properties of a chord are determined by the relationship between the tones that make up the chord.

Classification and functions of chords

(1) Divide by intervals

1. Triad: It is composed of three tones, and the relationship between each tone is third degree. It can also be divided into major triads, where the first and third notes are

In a major third, there is a minor third between the third and fifth notes, such as a C chord: 1, 3, 5; in a minor triad, there are minor thirds between the three notes.

Such as Am:

2. Seventh chord: It is composed of four tones, and there is also a third-degree relationship between the tones. Such as C7: 1, 3, 5, 7. It can also be subdivided into major seventh chords, minor seventh chords, etc., which will not be described in detail.

3. Ninth chord: Add a third to the seventh chord. Not used much, no more detailsmini classical guitar

(2) According to functions

This division method is directly related to the arrangement of songs, so it will be explained in detail (for the convenience of explanation, the key of C is used as the key that everyone is most familiar with.example)

1. Main chord

A type of triad, named only according to its function. It is the chord that plays a leading role in the chord system. It is closely related to the main tone of the piece and determines the tone of the entire piece. For example, taking the key of C major, the main chord is C and

Strings: 1, 3, 5; and the main chord of A minor is the Am chord.

2. Dominant chord

A kind of chord, from the perspective of its function, it plays an auxiliary role to the main chord, so it is called a chord. Its root note is the ascending perfect fourth of the root note of the main chord (there is only one and a half intervals in the fourth, this interval is called a perfect fourth, because its sound effect is the most harmonious, such as 1 to 4, in which 1, Among the intervals of fourths 2, 3, and 4, only the intervals between 3 and 4 are semitones). For example, in the key of C, the tonic is 1, and its ascending perfect fourth is 5, which is G, and the dominant chord is G chord:. Dominant chords tend to have the characteristics of tonic chords, which is very useful in chord configuration, which will be further explained in the configuration method below.

3. Dominant seventh chord

Add a minor third on top of the dominant chord to create a dominant seventh chord. For example, the G7 chord: The dominant seventh chord has the characteristics of a stronger tonic chord than the dominant chord.

4. Subordinate chords

It is also a type of triad. The root note is the descending perfect fourth of the root note of the main chord. For the key of C major, the subordinate chord is the F chord.

5. Secondary dominant chord

It refers to chords other than major and minor triads and dominant seventh chords, and composed of tones in the natural scale. Such as F7 in the key of C and

string:. Replacing the main chord with the minor chord in less important places will have unexpected and unique effects.

off-key chords

6. This kind of chord contains the rising and falling tones of the natural scale. For example, the E chord in the key of C: 3, #5, 7, where the #5 note is a sharp or flat note. Off-key chords can greatly enrich the color of a piece.


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