18 Facts About Music theory

Music theory is the study of the practices and possibilities of music.

The Oxford Companion to Music describes three interrelated uses of the term "music theory".

Music theory is frequently concerned with describing how musicians and composers make music, including tuning systems and composition methods among other topics.

In modern academia, music theory is a subfield of musicology, the wider study of musical cultures and history.

Chinese theory starts from numbers, the main musical numbers being twelve, five and eight.

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Apart from technical and structural aspects, ancient Chinese music theory discusses topics such as the nature and functions of music.

Music theory considers melody, rhythm, counterpoint, harmony, form, tonal systems, scales, tuning, intervals, consonance, dissonance, durational proportions, the acoustics of pitch systems, composition, performance, orchestration, ornamentation, improvisation, electronic sound production, etc.

Music theory can be transposed from one scale to another for various purposes, often to accommodate the range of a vocalist.

Indian classical music theory continues to strongly associate keys with emotional states, times of day, and other extra-musical concepts and notably, does not employ equal temperament.

Transformational theory is a branch of music theory developed by David Lewin in the 1980s, and formally introduced in his 1987 work, Generalized Musical Intervals and Transformations.

The goal of transformational theory is to change the focus from musical objects—such as the "C major chord" or "G major chord"—to relations between objects.

Music theory psychology is a field of research with practical relevance for many areas, including music performance, composition, education, criticism, and therapy, as well as investigations of human aptitude, skill, intelligence, creativity, and social behavior.

Music theory genre is a conventional category that identifies some pieces of music as belonging to a shared tradition or set of conventions.

Music theory can be divided into different genres in many different ways.

Musical set theory provides concepts for categorizing musical objects and describing their relationships.

The concepts of set Music theory are very general and can be applied to tonal and atonal styles in any equally tempered tuning system, and to some extent more generally than that.

The methods of musical set theory are sometimes applied to the analysis of rhythm as well.

Music theory semiology is the study of signs as they pertain to music on a variety of levels.