One practical way to play Dorian is to reduce it to smaller pentatonic sounds.
For D Dorian:
- a major pentatonic one whole step below gives C major pentatonic
- a major pentatonic on the 4th gives G major pentatonic
Dorian reference
D Dorian:
D, E, F, G, A, B, C
Pentatonic one whole step below
For D Dorian, play C major pentatonic:
C, D, E, G, A
This gives you:
- b7
- 1
- 9
- 11
- 5
Pentatonic on the 4th
For D Dorian, play G major pentatonic:
G, A, B, D, E
This gives you:
- 11
- 5
- 6
- 1
- 9
Two different colors
The C pentatonic color feels more rooted in the lower side of the mode.
The G pentatonic color brings out the upper part of the sound, especially the 6th.
Try both on one vamp
Use Dm7 - G7 - Dm7:
One practical routine
- Play only C major pentatonic on Dm7.
- Then play only G major pentatonic on Dm7.
- Alternate one bar of each.
- Listen to how the sound changes without changing the chord.
One thing to listen for
If you want a stronger Dorian identity, make sure the line eventually reveals B natural. That note is one of the clearest signals of the mode.