Dorian b2

Two names for one scale

Dorian ♭2 and Phrygian ♮6 describe the same seven notes, and each name works by naming the one change from a familiar mode. Dorian is 1 2 ♭3 4 5 6 ♭7; lower its second and you arrive here. Phrygian is 1 ♭2 ♭3 4 5 ♭6 ♭7; raise its sixth and you arrive at the same place.

Which name a source uses tends to follow which mode it considers the reference point. Jazz theory usually says Dorian ♭2, because Dorian is the default minor sound in that idiom. Classical modal writing more often says Phrygian ♮6, because the Phrygian second is the more striking feature and the mode is grouped with Phrygian by ear.

A third name, Phrygian ♯6, appears occasionally and means the same thing; the ♮6 spelling is preferable because nothing is being sharpened relative to the parent scale, only restored. Whichever label is used, the notes and the chord are identical.

The chord it covers

Built on the second degree of melodic minor, the mode sits over a minor seventh chord — Bm7 in A melodic minor — with a flat ninth available above it. That combination is unusual: a flat ninth over a minor chord is not part of ordinary tonal harmony, and it gives the mode its narrow but real purpose.

The clearest use is the sus♭9 chord, written variously as Bsus♭9 or B7sus♭9, which appears in modal jazz as a suspended dominant with a darkened top. Herbie Hancock's writing put that sound into general circulation, and the mode is the scale that covers it.

The natural sixth is what makes the mode usable there rather than merely dark. Phrygian, with its flat sixth, has two semitone clusters and closes the sound down; restoring the sixth opens a whole tone between the fifth and sixth degrees and lets lines move. One note is the whole difference between an exotic effect and a working modal colour.

How much it is searched for, plainly

Measured demand for this mode is close to zero in every one of the twelve languages of this catalogue. What the measurement returns instead is demand for Phrygian and for Dorian — the neighbours whose names it borrows — at volumes hundreds of times higher.

Stating that is better than dressing it up. Anyone reading this arrived from a list of melodic minor modes, not from a piece of music, and the useful information is therefore structural: which two familiar modes it sits between, which single note separates it from each, and what chord it belongs to.

All three are above. The mode exists because rotating melodic minor produces seven, and this is the second; its interval set is unambiguous; and its chord, while uncommon, is real. That is the full extent of what can be said honestly, and less than that would leave a gap.

Frequently asked questions