Compare
Dorian vs Natural Minor
Identical except for one note — Dorian's raised 6th. That single semitone is the modal-jazz colour.
Dorian
R
♭2
2
♭3
3
4
♭5
5
♭6
6
♭7
7
Natural Minor
R
♭2
2
♭3
3
4
♭5
5
♭6
6
♭7
7
What's different
Only in Dorian
6
Only in Natural Minor
♭6
In both
R2♭345♭7
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