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Showing posts with label 147. The sub-scale closure of 3 or 4 notes chord and its role in melody improvisation.. Show all posts
Showing posts with label 147. The sub-scale closure of 3 or 4 notes chord and its role in melody improvisation.. Show all posts

Monday, December 24, 2018

147. The sub-scale closure of 3 or 4 notes chord, and its role in melody improvisation.

(This post has not been written  completely yet)

In the post 103 we introduced a 7-notes scale, from each 3 or 4-notes chord of  chord progression. See also post 83 about scales of chords versus chords of a scale.


A simpler 5-notes  or  sub-scale is  the closure sub-scale of a 3-notes chord. E.g. if the Chord is the c-e-g, the closure sub-scale is the c-d-e-f-g, in other words the closed interval within a diatonic scale with ends the ends of the chord. Any melody with almost equal time to its notes within this sub-scale , and approximately using all notes ,will sound fitting to the harmony of the chord because at worse scenario statistically only 2 notes will be out of the chord and 3 notes inside the chord and 3>2.