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THE 23RD CHORD-The LARGEST CHORD IN MUSIC!
Going forward with our Jacob Collier SUPER-ULTRA-HYPER-MEGA-META blogs/pages it is a good idea to look at other relevant concepts within the ideal of extension. In this blog we will look at how 12 tone, 23rd chords, tertian harmony and polytonality play a fascinating part.
We will start with the #15 Arpeggio [Superimposition as used by Lennie Tristano]. Below you will see this in action with a Cma7 and a Dmaj7 arpeggio combined. This creates a sharpened 15th [or Augmented 15th arpeggio].
Below, you will see the full extension of this with a full 23rd chord [The largest chord in music]. This can be viewed as polytonal, polychordal, 12 tone row, or “Tertian” harmony as a full 23rd chord.
All 12 notes of the chromatic scale are used, so, the following occurs [in this case in 3rds as Tertian harmony]
1 3 5 7 9 11 13 15 17 19 21 23
In terms of improvisation it can be easier on the guitar to break up 4×3 semiquaver tetrachord lines into two HEXATONIC [2×6] lines as shown below.
Below we have the employment of triplets and the commonly used 4 note groupings of tetrachords.
Below is an example of employing the jazz improvisation concept of “Chord Pairs”
For more info click this link: https://jazzimproviser.com/23rd-chord-for-guitar-lesson-12-tone-rows-schoenberg-jazz-fusion-lessons/
