How to Build a Tetrachord?
Building a Tetrachord If We Start at C, Then a Half-Step up Would Be a C#, Then D, Then D#. Those Are Semitones. a Whole Tone Would Be Two Semitones, or...
What is the formula for a tetrachord?
The intervallic formula of the tetrachord of the major scale is “whole-step, whole-step, half-step”, which can be represented as “W, W, H” or “Why Won't He”.
How is major tetrachord formed?
A major tetrachord is built of a whole step, followed by another whole step, followed by a half step. Two major tetrachords placed in succession forms a major scale. For example, in C major, Tetrachord I is built with the notes C, D, E, and F.