tonality (tōnăl`ĭtē), in music, quality by which all tones of a composition are heard in relation to a central tone called the keynote or tonic. In music that has harmony harmony, in music, simultaneous sounding of two or more tones and, especially, the study of chords and their relations. Harmony was the last in the development of what may be considered the basic elements of modern music—harmony, melody, rhythm, and tone
..... Click the link for more information. the terms key key.

1 In music, term used to indicate the scale from which the tonal material of a given composition is derived. To say, for example, that a composition is in the key of C major means that it uses as its basic tonal material the tones of that scale
..... Click the link for more information. and tonality are practically synonymous, embracing a hierarchy of constituent chords, and a hierarchy of related keys. Some relationship to a tonic is characteristic of all music except that in which it is deliberately avoided (see atonality atonality (ā'tōnăl`ĭtē), in music, systematic avoidance of harmonic or melodic reference to tonal centers (see key ).
..... Click the link for more information. and serial music serial music, the body of compositions whose fundamental syntactical reference is a particular ordering (called series or row) of the twelve pitch classes—C, C#, D, D#, E, F, F#, G, G#, A, A#, B—that constitute the equal-tempered scale.
..... Click the link for more information. ). The term tonality is also used in contrast to modality (see mode mode, in music.

1 A grouping or arrangement of notes in a scale with respect to a most important note (in the pretonal modes of Western music, this note is called the final or finalis
..... Click the link for more information. ).

tonality

Organization of music around a single pitch; more specifically, the Western system of keys that grew out of the modal music of the Renaissance in the 17th century. The term is often used to refer to the network of relationships implicit in the seven principal tones of a given key, each of which has the potential to become the tonic temporarily by means of modulation, whereby a new network of relationships arises. Because of its capacity to extend pitch relationships to remote lengths in an audibly comprehensible way, the tonal system permits the composition of music of great complexity.

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tonality

tonality