Disjunct tetrachords

(Mus.) tetrachords so disposed to each other that the gravest note of the upper is one note higher than the acutest note of the other.

See also: Disjunct

References in periodicals archive ?
68) An example of brevitas in De musica occurs when Aribo explains why the monochord is to be divided neither by conjunct tetrachords nor by disjunct tetrachords (but by a mixture of the two).