chord

Chord is a concept that can be used as adjective or as noun. In the first case, the term chord qualifies that which corresponds to something or that is concordant.

For example: "The medical team found that 70% of the town's children do not have a weight according to their age", "We need to hire employees according to the profile of the company", "I do not believe that I am receiving a salary according to the obligations assigned to me".

Suppose an international tournament of football for players under 18 years. Of the ten participating teams, nine have squads made up of footballers from between 16 Y 18 years. The tenth team, on the other hand, decides to attend the competition with players of barely 13 years. Given this situation, it can be said that this team would not have had a team commensurate with the magnitude or demands of the tournament, since it would be at a clear disadvantage compared to its rivals.

As a noun, chord is the name given to the set of several sounds that combine harmoniously. In other words: the chord is formed with different musical notes, that sound simultaneously and in harmony.

Chords are usually made up of three to seven musical notes. The various chords that are part of a composition create a harmonic progression. The songsThus, they present different harmonic progressions.

It is important to note that there are musical instruments with which you cannot create chords. One of them is the drum which, due to its characteristics, prevents the playing of two or more notes simultaneously.

At the other end is the piano, with which it is possible to play chords and individual notes simultaneously, in addition to applying different styles to the performance. This instrument allows a very high degree of expressiveness to be achieved, as well as being highly versatile: it can be used as a single instrument, to accompany a singer or as part of an orchestra of varied numbers, and it never seems to be at a disadvantage.

The guitar it is another instrument in which chords and melodies can be played; however, it does not allow the simultaneous execution of as many notes as the piano because the musician does not have all ten fingers for this purpose. It is the most popular instrument in the Western world, as you don't need great knowledge to play a simple accompaniment. This does not mean that it has little potential; on the contrary, the most difficult concertos can only be performed by the great guitarists.

In this context, especially among people who are fond of the guitar, it is not uncommon to hear the word note to refer to a chord. Needless to say, this is not correct, as they are two different concepts, as explained above. The source of the confusion probably lies in the fact that they share the first half of their Name, as with the chord C major and the note C sharp.

To compose a song it is necessary to choose a tonality, that is, a certain organization of the hierarchy that exists between the heights of sounds, according to the sound consonance with reference to the so-called tonic, which represents the note, chord, and scale main diatonic. For example, the tonic of the minor is, in effect, the note the, and the tonic chord is the minor; its scale is characterized by coinciding with the white keys of the piano, just like C major.

The ear of musicians automatically accommodates each key, and this allows them to avoid those notes and chords that are not part of it; for example in the minor can't play the note C sharp, unless it is a accident duly indicated in the score, that has a defined purpose, such as the modulation to another tonality.