...In music, harmony is the use of simultaneous pitches, or chords.Malm, William P. (1996). Music Cultures of the Pacific, the Near East, and Asia, p.15. ISBN 0-13-182387-6. Third edition. "Homophonic texture...is more common in Western music, where tunes are often built on chords (harmonies) that move in progressions. Indeed this harmonic orientation is one of the major differences between Western and much non-Western music." 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.Jamini, Deborah (2005). Harmony and Composition: Basics to Intermediate, p.147. ISBN 1412033330. 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. Read full entry

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