Definitions of tuning terms: tetrad, (c) 1998 by Joe Monzo

Definitions of tuning terms
© 1998 by Joseph L. Monzo
All definitions by Joe Monzo unless otherwise cited

A chord of four distinct tones none of which is an octave transposition of another is a tetrad.

See also Hexad and Triad.

[from John Chalmers, Divisions of the Tetrachord]

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