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tetrachord
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Contents
1
English
1.1
Etymology
1.2
Noun
1.2.1
See also
English
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Etymology
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tetra-
+
chord
Noun
edit
tetrachord
(
plural
tetrachords
)
(
music
)
Any
set
of four different
pitch classes
.
(
music
)
A series of four sounds, forming a
scale
of two-and-a-half tones.
See also
edit
interval
dyad
trichord
hexachord
tetrachordo