In Position Soloing over the Vm Modal Interchange

In Position Soloing Over Cmaj7 Gm7.

This is a continuation of last week’s free lesson, which you can check here: Solo In Position over Cmaj7 Abmaj7. Check this blog first. It will make everyting in today’s lesson easier to follow.

Today we’ll talk about some advanced improvising with the 7 in position scale fingerings.
If you don’t know those scale patterns yet, you can learn them here: The 7 C Major Scale Fingerings

You will be soloing in position, over this chord progression.
“In position” means “staying in 1 spot with your hand”.

||: Cmaj7 | Cmaj7 | Gm7 | Gm7 :||

The Gm here is a modal interchange chord. Learn more about Modal Interchange Here.

This whole chord progression is in the key of C.
You might wonder how this can be possible, when after all there is no Gm chord in a C major scale.
The chords in the key of C are: C Dm Em F G Am Bdim. There is no Gm chord.

The above link about modal interchange chords explains how and why this works.

For reasons explained in last week’s free lesson blog, you use G Dorian scale over the Gm chord here.
So in this chord progression you will solo 2 bars C major/Ionian scale and 2 bars G Dorian scale
This applies to all minor modal interchange chords btw. (i.e. In the key of C over an Fm chord, you play F dorian)

G dorian has 1 flat.
Learn here how to quickly figure out the key signatures to modes in all keys

The Closest Scale Fingerings for C Ionian and G Dorian.

Chord progressions with modal interchange chords or key changes are fantastic resources to drill your ability to change between scales while staying in position. Good improvisors know how to solo over various complex chord progressions or key changes keeping their fretting hand in 1 location.
That is what we will be practicing today.

Closest scale patterns for the Cmaj7 Gm7 chord progression:

  1. C Ionian fingering → C Mixolydian fingering
  2. D Dorian fingering → D Aeolian fingering
  3. E Phrygian fingering → E Locrian fingerin
  4. F Lydian fingering → F Ionian fingering
  5. G Mixo fingering → G Dorian fingering
  6. A Aeolian fingering → A Phrygian fingering
  7. B Locrian fingering → Bb Lydian fingering.

Solo 3 min per position = a 21min daily drill.
It’s only challenging in the beginning. After a couple of days this will get easier.

This is an amazing exercise to drill your scale fingerings. Every jazz guy spends a lot of time on those types of improvisation drills.
Check this following video:

Hit me up anytime at [email protected] if you would like me to send you backing tracks of the above chord progression, if you have any questions, or if you would like to book a lesson.
You’re on your way to becoming a great guitar player.
Have fun! 🙂


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