Triads on a G7 – The Most Important Solo Tool

When you start to play jazz it is easy to get completely lost in extensions, alterations and chord substitutions. And while that is also a part of jazz then it is often much more useful to work on more simple things like what Triads you can use on a dominant chord.

To demonstrate some of triads you can use in a Jazz Blues solo and also talk about different ways to use them I have written a one chorus solo on a Blues in G which will illustrate a lot of options in terms of triad options for a lot of the chords in there.

The G Jazz Blues Solo

As you can see in the video the first thing to check out is the solo. If you can then go through the solo now and mark down the different triads you see. Not all phrases are pased on triads, but most of them are.

The Basic triads on a G7(9,13)

The first bar is a phrase made with a root position G major triad, sliding up to the 3rd and then playing first the root and then the 5th that I repeat.

You want to check out how to use the G triad on a G7, especially for a G jazz blues, but make sure to also work on how to play different melodies with it by learning the triad notes in different order or checking out inversions.

If you want to hear somebody use triads well then listen to Charlie Parker or John Coltrane (not the smallest names in Jazz..)

An overview of the triads on a G7 can be made by looking at the G7 with all extensions, similar to stacking the scale in 3rds from G:

G B D F A C E – G7(9,11,13)

G B D – G major

B D F – Bdim

D F A – Dm

F A C – F major

E G B – Em

Am and C major have too much of a “C” sound to really work well on G7. If you want to check out some more ideas for triads then this article might be helpful: Triads – How To Make Jazz Licks and what to Practice

The line on the C7 is not based on a triad.

In Bar 3 the opening phrase is developed using a similar but extended version of the melody. Now the triad used is the one from the 3rd of the chord: B dim.

This is developed further moving up to a Dm triad in bar 4. From there the melody is with a Db triad. The triad of the tritone substitute: Db7.

The IVth degree and the #IV dim chord.

On the C7 the melody is constructed of the triad on the 5th: Gm and on the C#dim the triad is on C#dim. Of course all 4 dim triads could work: C#,E,G and Bb.

Returning to the G7 the melody is constructed from a descending F major. With the F major triad you need to be a little careful with the C so that it still sounds like a G7. In this case I am moving the melody to a B.

On the Bø E7 is played using the triad from the 3rd of Bø: Dm and the one on the b9: Fdim

The Final Cadence and two Triad Combinations

The Final II V: Am7 D7 is using combinations of triads. The Em and C triads on the Am7. In this case this is not a triad pair since a triad pair is made up of triads that have no common notes. If you want to explore triad pairs then this lesson might be useful: Traid Pairs Part 1

On the D7al the triads are Ab and Ebm. The Ebm is neatly resolving to the triad on the 13th of G7: Em.

The melody on the D7alt and G7 is repeated and developed on the D7 into a D augmented triad.

Give you Jazz Blues playing a Boost

If you want to get some new ideas for you blues soloing and check out how I phrase on a medium Bb Blues then check out this lesson based on a transcribed 4 chorus solo. Discussing arpeggios, blues phrasing and pentatonic scales.

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