Gmin7 to Cmin7 - help me to understand this

hardrock420

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Was messing around with a Gmin7 to Cmin7 progression just back and forth and I noticed that it was interesting theory wise. for the bass notes (played on guitar) I would hit the A# on the Gmin7 and the C on the Cmin7 with a G note between them. it seems like this progression doesn't technically have a root or a certain key, like the A# sharp feels like home but so does D# but waaay cheesier.

what scales/modes to play on this?
 

matthew bear

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The a# (Bb) is your root note. Gm is your relative minor. Strictly diatonically speaking, that’s your base.
 

matthew bear

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So, you are technically going between the 6th degree Gm and the 2nd degree Cm of the b flat scale.
The e flat is the 4th degree of the Bb scale.
For modal experimentations try F (the 5th) and see what you get. Hope that’s helpful!
 

matthew bear

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Last thing :laugh2:

try throwing in some G7 chords as well, and use the C scale. It could get weird :eek2:
 

huw

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Gm7 = G Bb (not A#) D F
Cm7 = C Eb G Bb

Total note set = G (A - implied) Bb C D Eb F = G minor (natural minor).

You're playing the Im > IVm in G.

100% diatonic, the Bb note is just a good pivot as it's in both chords.

:)
 
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