Chord/Scale Theory
Cmaj7 C 7
use C major scale use C Dorian mode/scale
1 2 3 4
5
C7 6
use C Mixolydian mode/scale
7
C 8
use C Locrian mode/scale
C7( 9) use F harmonic minor (from C) C 7 C W/H diminished
9 10 11 12
1/1