What is the tetrachord for G?

The lower tetrachord of G major is made up of the notes G, A, B, and C. The upper tetrachord is made up of the notes D, E, F#, and G.

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”. So, starting from any note on the keyboard, and using the formula (W, W, H), the tetrachord can be formed.

What are the notes for the a tetrachord?

Only the outer notes of each tetrachord were fixed; the position of the inner pitches determined the genus of the tetrachord. The basic form was the diatonic genus (e.g., a–g–f–e); its modifications formed the chromatic (a–f♯–f–e) and enharmonic (a–f–e+–e♮, with e+ being a pitch between e♮ and f) genera.

What is the pattern of a tetrachord?

(A tetrachord is a four-note scale segment.) The lower tetrachord consists of the pattern whole step, whole step, half step. A whole step joins the lower tetrachord to the upper tetrachord. The upper tetrachord duplicates the pattern in the lower one: whole step, whole step, half step.

What is the first tetrachord of the G Major scale?

The 2nd tetrachord of the C major scale is the 1st tetrachord of the G major scale.

What is a tetrachord starting on D?

A tetrachord starting on D: Notes are D, E, F, G. D to E is a Whole Step, E to F# is a Whole Step, F# to G is a Half Step. A tetrachord starting on Bb: Notes are Bb, C, D, E.

Where do you find 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 jumping straight from C to D. A tetrachord is composed of four notes that are a total of five semitones apart.

Why is it called a tetrachord?

The name comes from tetra (from Greek—”four of something”) and chord (from Greek chordon—”string” or “note”). In ancient Greek music theory, tetrachord signified a segment of the greater and lesser perfect systems bounded by immovable notes (Greek: ἑστῶτες); the notes between these were movable (Greek: κινούμενοι).

What are the types of tetrachord?

There are four main arrangements of tetrachords: the major tetrachord, the Dorian tetrachord, the Phrygian tetrachord, and the Gypsy tetrachord. Each one features a different pattern of intervals between the four notes of the chord and produces a different sound.

How many pitch classes are in a tetrachord?

four pitch classes
An all-interval tetrachord is a tetrachord, a collection of four pitch classes, containing all six interval classes. There are only two possible all-interval tetrachords (to within inversion), when expressed in prime form.

What is the 2nd tetrachord in the key of A major?

A Tetrachord is a series of four notes. The two Tetrachords in the Major Scale are separated by a Whole Step. In the C Major Scale, the first tetrachord is made up of the notes C – D – E – F. The second tetrachord is made up of the notes G – A – B – C.

What are the notes of G Major scale?

The key of G major mostly uses the notes of the G major scale, which are G, A, B, C, D, E, and F♯.