C major scale | Modes in terms of tetrachords

Find previous blog posts covering tetrachords in part 1 and part 2 of this tutorial.  

 

C Ionian Scale

The C Ionian Scale is a combination of the Cmaj tetrachord and the Gmaj tetrachord separated by a major second (2).

C ionian scale in terms of tetrachords

 

G Mixolydian Scale

The G Mixolydian Scale is a combination of the Gmaj tetrachord and the Dmin tetrachord separated by a major second (2). The upper Gmaj tetrachord of the C ionian scale becomes the lower tetrachord of the G mixolydian scale.

G mixolydian scale in terms of tetrachords

 

D Dorian Scale

The D Dorian Scale is a combination of the Dmin tetrachord and the Amin tetrachord separated by a major second (2). The upper Dmin tetrachord of the G mixolydian scale becomes the lower tetrachord of the D dorian scale.

D dorian scale in terms of tetrachords

 

A Aeolian Scale

The A Aeolian Scale is a combination of the Amin tetrachord and the E phrygian tetrachord separated by a major second (2). The upper Amin tetrachord of the D dorian scale becomes the lower tetrachord of the A aeolian scale.

A aeolian scale in terms of tetrachords

 

E Phrygian Scale

The E Phrygian Scale is a combination of the E phrygian tetrachord and the B phrygian tetrachord separated by a major second (2). The upper E phrygian tetrachord of the A aeolian scale becomes the lower tetrachord of the E phrygian scale.

E phrygian scale in terms of tetrachords

 

B Locrian Scale

The B Locrian Scale is a combination of the B phrygian tetrachord and the F whole-tone tetrachord separated by a minor second (b2). The upper B phrygian tetrachord of the E phrygian scale becomes the lower tetrachord of the B locrian scale.

B locrian scale in terms of tetrachords

 

F Lydian Scale

The F Lydian Scale is a combination of the F whole-tone tetrachord and the Cmaj tetrachord separated by a minor second (b2). The upper F whole-tone tetrachord of the B locrian scale becomes the lower tetrachord of the F lydian scale.

F lydian scale in terms of tetrachords

 

C Ionian Scale

The C Ionian Scale is a combination of the Cmaj tetrachord and the Gmaj tetrachord separated by a major second (2). The upper Cmaj tetrachord of the F lydian scale becomes the lower tetrachord of the C ionian scale.

C ionian scale in terms of tetrachords

 

And so the circle is complete.

Modes in Cmaj in terms of tetrachords

Cmaj scale in terms of tetrachords

 

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