In music, harmony is the use of simultaneous pitches (tones, notes), or chords. The study of harmony involves chords and their construction and chord progressions and the principles of connection that govern them. Harmony is often said to refer to the "vertical" aspect of music, as distinguished from melodic line, or the "horizontal" aspect. Counterpoint, which refers to the interweaving of melodic lines, and polyphony, which refers to the relationship of separate independent voices, are thus sometimes distinguished from harmony.
In popular and jazz harmony, chords are named by their root plus various terms and characters indicating their qualities. In many types of music, notably baroque, romantic, modern and jazz, chords are often augmented with "tensions". A tension is an additional chord member that creates a relatively dissonant interval in relation to the bass. Typically, in the classical Common practice period a dissonant chord (chord with tension) will "resolve" to a consonant chord. Harmonization usually sounds pleasant to the ear when there is a balance between the consonant and dissonant sounds. In simple words, that occurs when there is a balance between "tense" and "relaxed" moments.
Read more about Harmony: Etymology and Definitions, Historical Rules, Types, Intervals, Chords and Tension, Perception of Harmony, Consonance and Dissonance in Balance
Famous quotes containing the word harmony:
“Nothing could be so beautiful, so smart, so well drilled as the two armies. Trumpets, fifes, oboes, drums, cannons formed a harmony such as was never heard in hell.... Candide, trembling like a philosopher, hid himself as best he could during this heroic butchery.”
—Voltaire [François Marie Arouet] (1694–1778)
“A villain must be a thing of power, handled with delicacy and grace. He must be wicked enough to excite our aversion, strong enough to arouse our fear, human enough to awaken some transient gleam of sympathy. We must triumph in his downfall, yet not barbarously nor with contempt, and the close of his career must be in harmony with all its previous development.”
—Agnes Repplier (1858–1950)
“The only coöperation which is commonly possible is exceedingly partial and superficial; and what little true coöperation there is, is as if it were not, being a harmony inaudible to men. If a man has faith, he will coöperate with equal faith everywhere; if he has not faith, he will continue to live like the rest of the world, whatever company he is joined to.”
—Henry David Thoreau (1817–1862)