Dm9

Q: What notes are in the Dm9 chord?

The Dm9 chord (D Minor 9) contains: D, F, A, C, E. Its interval structure is shown above in the Theory section.

Q: How do I build Dm9 on the keyboard?

Take the root and add the remaining chord tones following the interval formula. The highlight shows chord content, while the inversion control changes which chord tone is in the bass.

Q: Which keys is Dm9 found in?

The chord acts as a diatonic degree in several keys — they are marked on the circle of fifths in the "Harmonic context" block.

Q: What can I substitute for Dm9?

A substitution depends on harmonic function and voice leading, not only on shared tones. Computed options appear in the "Substitutions" block and should be checked in context.

D Minor 9

Octaves

Musical context

ChordD minorTriad

ChordDm9D Minor 9

ArpeggioD minorBroken triad

ScaleD minor7 notes

KeyD minorMinor key

ProgressionAndalusianSequence

How the chord relates to the scale, mode, key and progression.

Theory

General info

Full name: D Minor 9
Symbol: Dm9
Root: D
Quality: Minor 9

Chord notes

1Droot

b3Fminor 3rd

5Aperfect 5th

b7Cminor 7th

2Emajor 2nd

Functions & resolutions

Typical function in key: iiSubdominant (ii)C major
Stability / tension: Stable — can serve as minor tonic
Most common resolutions: AA Major GmG Minor CC Major
Unstable degrees: 4G
b7C
resolves down to the resolution tonic
Main resolution: Dm9source
AA Major
Minor chord Dm is a stable tonic in the minor key of the same root. Typical motion leads to the subdominant (iv) or dominant (V).
Other resolutions: Dm9source
Deceptive resolution
A#A# Major
A minor chord can unexpectedly move to the major chord on the bVI degree — a deceptive-resolution effect.
Dm9source
Modal resolution
CC Major
In Dorian and Aeolian modes, the minor chord is the tonic. Typical modal motion: i → bVII or i → iv.
Dm9source
Jazz reharmonization
G7G Dominant 7
In jazz, a minor chord often serves as ii in a ii-V-I progression. Its "resolution" is the dominant a 4th up.
Dm9source
Functional resolution
GG Major
As the vi degree in major, a minor chord can move to IV or ii, creating subdominant motion.

Features

Character: Minor, with a minor 7th and 9th
Characteristic interval: Minor third (m3), 9th
Description: The minor 3rd and minor 7th form m7, while the major 9th adds a diatonic extension. The chord is denser than m7 but retains minor quality.
Application: ii9 in major
Minor tonic in jazz
Neo-soul and R&B

Voicing & structure

Root position

v1D(D4)Bass

root

v2F(F4)m3from D

v3A(A4)M3from F

v4C(C5)m3from A

v5E(E5)M3from C

Harmony

Compatible scales

All chord tones are contained in these scales — use them for improvisation.

ScaleC Ionian (major)ScaleC Mixolydian ScaleD Dorian ScaleD Aeolian (natural minor)ScaleD Romanian minor ScaleD Ukrainian Dorian ScaleE Phrygian ScaleE Locrian ScaleE Phrygian dominant ScaleF Ionian (major)

This chord on guitar 🎸

See how Dm9 looks on guitar.

Explore

Circle of fifths

Highlighted major keys contain this chord among their diatonic harmonies.

Relative key: BmB minor
Dominant: AA major
Subdominant: GG major
Key signature: 2 sharps (F#, C#)

What to learn next

ScaleD DorianScale to improvise over this chord PracticeChord trainerLock the fingering into muscle memory ProgressionChord progressionsHow this chord works inside real progressions

Recommended for you

D DorianA scale related to this chord

D Aeolian (natural minor)A scale related to this chord

D Chromatic scaleA scale related to this chord

Practice

Keyboard Trainer

Reinforce it in practice — play and name notes on the interactive keyboard.

Open Trainer

Test yourself

(Press any key to start)

What notes are in the Dm9 chord?

How do I build Dm9 on the keyboard?

Which keys is Dm9 found in?

What can I substitute for Dm9?

Dm9