![]() ![]() In the Middle Ages the term was used to describe two pitches sounding in combination, and in the Renaissance the concept was expanded to denote three pitches sounding together. Nevertheless, it is unclear whether the simultaneous sounding of notes was part of ancient Greek musical practice "harmonía" may have merely provided a system of classification of the relationships between different pitches. In Ancient Greece, the term defined the combination of contrasted elements: a higher and lower note. The term was often used for the whole field of music, while "music" referred to the arts in general. The term harmony derives from the Greek ἁρμονία ( harmonía), meaning "joint, agreement, concord", from the verb ἁρμόζω ( harmozo), "to fit together, to join". 1 Definitions, origin of term, and history of useĭefinitions, origin of term, and history of use.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. Harmony is often said to refer to the "vertical" aspect of music, as distinguished from melodic line, or the "horizontal" aspect. The study of harmony involves chords and their construction and chord progressions and the principles of connection that govern them. In music, harmony is the use of simultaneous pitches ( tones, notes), or chords. ![]() Thus, there is no simple connection between frequency ratios and harmonic function. Measurements of frequencies in good performances confirm that the size of the major third varies across this range and can even lie outside it without sounding out of tune. The ratio 5:4 corresponds to an interval of 386 cents, but an equally tempered major third is 400 cents and a Pythagorean third with a ratio of 81:64 is 408 cents. In real performances, however, the third is often larger than 5:4. Their frequency ratio corresponds approximately 6:5:4. The harmonious major triad is composed of three tones. ![]()
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