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tetrachord
[ te-truh-kawrd ]
noun
- a diatonic series of four tones, the first and last separated by a perfect fourth.
tetrachord
/ ˈtɛtrəˌkɔːd /
noun
- (in musical theory, esp of classical Greece) any of several groups of four notes in descending order, in which the first and last notes form a perfect fourth
Derived Forms
- ˌtetraˈchordal, adjective
Other Words From
- tetra·chordal adjective
Word History and Origins
Origin of tetrachord1
Word History and Origins
Origin of tetrachord1
Example Sentences
It is more difficult to be certain of the exact tuning of each note within a tetrachord.
That’s true even during the exposition’s most hot-to-the-touch passage, a high-flown tetrachord of B, F sharp, F and E that emerges in the 16th minute.
Later, in an analysis of a mandala drawn by Coltrane for Yusef Lateef, he says that a reading of the diagram, “we get C, C-sharp, E, F and F-sharp, which is an all-interval tetrachord,” when a tetrachord has only four notes, and the all-interval tetrachord, which is asymmetric, couldn’t possibly be outlined in Coltrane’s entirely symmetric drawing.
Tetrachord, tet′ra-kord, n. a series of four sounds, forming a scale of two tones and a half.—adj.
In his system of scales the semitone was always between the 2nd and 3rd of a tetrachord, as G, A, ♭ B, C, so the ♮ B and ♯ F of the second octave were in false relation to the ♭ B and ♮F of the first two tetrachords.
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