The diminished chord and the octatonic (or diminished) scale are both symmetrical structures.
The diminished seventh chord divides the octave into four equal parts:
E (m3) G (m3) Bb (m3) Db (m3) E
The diminished scale is made up of two diminished seventh chords.
In this case:
E G Bb Db and B D F Ab
It (the scale) divides each minor third of the chord into a half step and whole step.
Todays canon is in the spirit of J.S. Bach's Trias Harmonica -- not really an artistic canon but a demonstration of the facts outlined above.
(click on image to enlarge)
Lahti
1 year ago
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