Tetrachord: Difference between revisions

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{{Interwiki

| en = Tetrachord

| ja = テトラコード

}}

~~The word~~ '''tetrachord''' usually ~~refers to~~ the interval of a [[perfect fourth]] (~~just or not~~) ~~divided~~ into three subintervals by the interposition of two additional notes.

A '''tetrachord''' is a four-note segment of a [[scale]] or tone row, usually spanning the interval of a [[perfect fourth]] (possibly tempered). It can be formed by dividing the perfect fourth into three subintervals by the interposition of two additional notes.

[[John Chalmers]], in [~~http~~://eamusic.dartmouth.edu/~~%7Elarry~~/published_articles/divisions_of_the_tetrachord/index.html Divisions of the Tetrachord], tells us:

Tetrachords are fundamental to many musical traditions around the world. [[John Chalmers]], in [https://eamusic.dartmouth.edu/~larry/published_articles/divisions_of_the_tetrachord/index.html ''Divisions of the Tetrachord''], tells us:

''Tetrachords are modules from which more complex scalar and harmonic structures may be built. These structures range from the simple heptatonic scales known to the classical civilizations of the eastern Mediterranean to experimental gamuts with many tones. Furthermore, the traditional scales of much of the world's music, including that of Europe, the [[Arabic, Turkish, Persian|Near East]], the Catholic and Orthodox churches, Iran and India, are still based on tetrachords. Tetrachords are thus basic to an understanding of much of the world's music.''

Tetrachords are modules from which more complex scalar and harmonic structures may be built. These structures range from the simple heptatonic scales known to the classical civilizations of the eastern Mediterranean to experimental gamuts with many tones. Furthermore, the traditional scales of much of the world's music, including that of Europe, the [[Arabic, Turkish, Persian|Near East]], the Catholic and Orthodox churches, Iran and India, are still based on tetrachords. Tetrachords are thus basic to an understanding of much of the world's music.

</blockquote>

== Ancient Greek genera ==

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[[Category:Scale]]

[[Category:Terms]]

[[Category:Arabic]]

[[Category:Ancient Greek music]]

[[Category:Arabic music]]

[[Category:Historical]]

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+{{Interwiki
+| en = Tetrachord
+| ja = テトラコード
+}}
 {{Distinguish| Tetrad }}
 {{Wikipedia}}
-The word '''tetrachord''' usually refers to the interval of a [[perfect fourth]] (just or not) divided into three subintervals by the interposition of two additional notes.
+A '''tetrachord''' is a four-note segment of a [[scale]] or tone row, usually spanning the interval of a [[perfect fourth]] (possibly tempered). It can be formed by dividing the perfect fourth into three subintervals by the interposition of two additional notes.
-[[John Chalmers]], in [http://eamusic.dartmouth.edu/%7Elarry/published_articles/divisions_of_the_tetrachord/index.html Divisions of the Tetrachord], tells us:
+Tetrachords are fundamental to many musical traditions around the world. [[John Chalmers]], in [https://eamusic.dartmouth.edu/~larry/published_articles/divisions_of_the_tetrachord/index.html ''Divisions of the Tetrachord''], tells us:
-''Tetrachords are modules from which more complex scalar and harmonic structures may be built. These structures range from the simple heptatonic scales known to the classical civilizations of the eastern Mediterranean to experimental gamuts with many tones. Furthermore, the traditional scales of much of the world's music, including that of Europe, the [[Arabic, Turkish, Persian|Near East]], the Catholic and Orthodox churches, Iran and India, are still based on tetrachords. Tetrachords are thus basic to an understanding of much of the world's music.''
+<blockquote>
+Tetrachords are modules from which more complex scalar and harmonic structures may be built. These structures range from the simple heptatonic scales known to the classical civilizations of the eastern Mediterranean to experimental gamuts with many tones. Furthermore, the traditional scales of much of the world's music, including that of Europe, the [[Arabic, Turkish, Persian|Near East]], the Catholic and Orthodox churches, Iran and India, are still based on tetrachords. Tetrachords are thus basic to an understanding of much of the world's music.
+</blockquote>
 == Ancient Greek genera ==
@@ Line 250: / Line 256: @@
 [[Category:Scale]]
 [[Category:Terms]]
-[[Category:Arabic]]
+[[Category:Ancient Greek music]]
+[[Category:Arabic music]]
 [[Category:Historical]]