Chapter III

Morphology of Chords (Triads)

Structural definition of the triad and the psychoacoustic differentiation of modes

4.1 Structural Definition of the Triad and the Psychoacoustic Differentiation of Modes

In classical and functional harmonic theory, a chord is built by stacking intervals of a third. The basic unit that forms harmony is the triad, which consists of an arrangement of three specific notes: root (R), third (3rd) and fifth (5th).