Dorian Mode
Dorian is a minor scale with its sixth degree raised a semitone. That single note is the whole difference between Dorian and natural minor, and it is what stops Dorian sounding as heavy as the minor scale it otherwise matches note for note.
Degrees: 1 2 ♭3 4 5 6 ♭7
C Dorian
Minor with a lift in it. The natural sixth brightens the upper half of the scale, so it reads as wistful or groove-driven rather than mournful.
Characteristic tone: 6 (A)
The natural sixth. Dorian is a natural minor scale with the sixth degree raised a semitone, and that raised sixth is the only thing separating them — it is what stops Dorian sounding as heavy as Aeolian while keeping the minor third intact.
On a keyboard
Two octaves from middle C. Every key belonging to the scale is filled; the tonic is aubergine and the characteristic tone is rose-gold.
On a guitar neck
Every position of every scale note, open strings through fret 15. Scroll sideways on a phone to reach the upper frets.
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One note, and where to find it
Set natural minor and Dorian side by side and six of the seven degrees are identical: same flattened third, same perfect fourth and fifth, same flattened seventh. Only the sixth differs, and in Dorian it is natural rather than flattened.
That raised sixth changes where the scale's half steps fall. In natural minor the upper half of the scale contains a half step between the fifth and the flattened sixth, which pulls downward and darkens everything above it. Dorian moves that half step up to sit between the sixth and the flattened seventh instead, which leaves the fifth with nothing leaning on it. The result is a minor scale whose top half is not weighed down — audibly wistful rather than audibly sad.
The chord that gives it away
The IV chord. In natural minor the chord on the fourth degree is minor; in Dorian it is major, because the raised sixth is that chord's third — the same one note doing the work again, this time vertically.
A minor tonic with a major IV over it is a combination almost nothing else produces, which makes it a two-chord test. Vamp between them and you are unambiguously in Dorian without a scale being played at all. It is also why so much modal writing in this mode is built on exactly those two chords and very little else: the pairing is the sound, and adding more harmony tends to dilute it.
Where it turns up
Dorian is unusually well represented in traditional music of the British Isles and Ireland — a large body of jigs, reels and modal song melodies sit in it rather than in natural minor, and they are old enough to predate the major/minor system that would later reinterpret them. Because that repertoire is largely traditional, it is easy to find and free to study.
It is also the scale that fits the second-degree chord of any major key, which is why it is the first mode most improvisers learn to use deliberately: play a minor scale a whole tone above the key centre and you are playing Dorian without having had to think about it. Modal jazz from the late 1950s onward made that relationship explicit by writing pieces that sat on a single minor chord for many bars at a time, giving a soloist room to treat the mode as a colour rather than as a passing chord.
How to practise it on a fretboard
The most efficient route in is through the minor pentatonic scale you probably already know. Minor pentatonic contains the root, flattened third, fourth, fifth and flattened seventh — five of Dorian's seven notes. Add the second and the natural sixth and the scale is complete.
Do it in that order and the natural sixth arrives as a deliberate addition rather than as one anonymous note among seven, which means you notice what it does. On a guitar neck the added sixth usually falls a whole tone above the fifth on the same string, two frets up, and hitting it repeatedly against a held minor chord is the fastest way to make the Dorian sound stick.
The seven chords this mode harmonises into
Stack thirds on each degree of the scale and you get these. Read from left to right, they are the chords available to a piece written in the mode.
| Degree | 1 | 2 | ♭3 | 4 | 5 | 6 | ♭7 |
|---|---|---|---|---|---|---|---|
| Roman numeral | i | ii | ♭III | IV | v | vi° | ♭VII |
| Quality | minor | minor | major | major | minor | diminished | major |
Questions people ask about Dorian
- Is Dorian a major or a minor scale?
- Minor. Its third degree is flattened, which is what determines the quality of the tonic chord, and that chord is a minor triad. The raised sixth changes the colour of the scale without changing its minor identity.
- What is the quickest way to find any Dorian scale?
- Take the major scale a whole tone below your intended tonic and play its notes starting from your tonic. D Dorian is the notes of C major started on D; G Dorian is the notes of F major started on G.
- Why does Dorian sound less sad than natural minor if both are minor?
- Because of where the half steps sit. Natural minor puts one directly above the fifth degree, which creates a downward pull in the upper half of the scale; Dorian's raised sixth removes it, so the top of the scale stays open.