九、三和弦--（Nine and three chords --）.docVIP

九、三和弦--（Nine and three chords --） Nine and three chords -- Categories and compositions of three chords The categories of the three chords and the group of sounds that are formed in a vertical combination according to certain rules are called chords. In harmonic sounds, chords are folded together at three degrees. The three tones overlap by three degrees, forming the three chord. This is the most common form of chord in harmonic sounds. Each chord that has a chord has a corresponding name. The root tone is the basis of the chord and is at its lowest position in the original arrangement of the chord. A three tone of three tones superimposed on the root, in the middle of the original arrangement of the three chord. Fifth, in the three tone three tone is superposed, a five degree relationship with the root, in the highest position in the original arrangement of three chords in. The name of a three sound that will not change because of the arrangement of chords or the location of the chords. The three chord can be divided into four types according to the nature, quantity, and mode of superposition of the three degree interval they contain: The third degree overlaps a small third, which is called a major triad. Small three degrees overlap a large third, called small third chord. Two major thirds stacked, root and fifth are increased by five degrees, called three chord. Two degree mistress stacked, root and fifth are minus five degrees, called decreased three chords. In fact, each of the three chords contains three intervals. The chords of the third and third chords are concord, Belong to Concord chord. The three chord and the minus three chord each contain a dissonant interval, belonging to the dissonant chord. The bass position of the three chord; the three chord has three different bass positions: The root tone in the bass position is called the original position. Because the bass and the upper two tones form three and five degrees intervals respectively, named after th