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Originally Posted by Spitty  Can any of the experienced jazz players here comment on this? And perhaps let us know if you use this concept and maybe some other concepts that have grown out of this and/or are related to this? |
If you take not only the ninth, but all of the chords extensions (upperstructure): 9, 11, 13.
You can look at a chord as two chords superimposed.
Let's take an example: consider a C13(#11): C E G Bb D F# A.
That is equivalent to a D triad over a C7. Thinking about the D triad can give you different ideas for improvisation.
Fred