Dbmaj9

Db Major 9

Octaves

Musical context

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

Theory

General info

Full name
Db Major 9
Symbol
Dbmaj9
Root
Db
Quality
Major 9

Chord notes

1Dbroot
3Fmajor 3rd
5Abperfect 5th
7Cmajor 7th
2Ebmajor 2nd

Functions & resolutions

Typical function in key
ITonic (I)C# major
Stability / tension
Stable — can serve as major tonic
Most common resolutions
Unstable degrees
7C
1Db
resolves up to the root
Main resolution
Dbmaj9source
AbAb Major
Major chord Db is a stable tonic. As tonic it doesn't require resolution, but in a progression context typically moves to IV or V.
Other resolutions
Dbmaj9source
Deceptive resolution
BbmBb Minor
As the V degree, a major chord can defy expectations by moving to vi instead of I (deceptive cadence).
Dbmaj9source
Modal resolution
BB Major
In modal context, a major chord can freely move to bVII, bIII, or bVI — characteristic of Mixolydian mode.
Dbmaj9source
Jazz reharmonization
Dbmaj7Db Major 7
In jazz, a major chord is enriched to maj7, 6/9, or add9 and can smoothly transition into a ii-V of another key (modulation).
Dbmaj9source
Functional resolution
AbAb Major
As the IV degree (subdominant), a major chord can resolve to V or directly to I (plagal cadence).

Features

Character
Major, with a major 7th and 9th
Characteristic interval
Major 7th (M7), 9th
Description
The major 7th creates semitone tension toward the octave, while the major 9th extends the major seventh chord. Separating extensions by register clarifies the structure.
Application
  • Tonic Imaj9
  • Neo-soul and jazz
  • Sustained chordal textures

Voicing & structure

Root position

v1Db(Db4)Bass
root
v2F(F4)M3from Db
v3Ab(Ab4)m3from F
v4C(C5)M3from Ab
v5Eb(Eb5)m3from C

Harmony

Compatible scales

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

This chord on guitar 🎸

See how Dbmaj9 looks on guitar.

Explore

Circle of fifths

Highlighted major keys contain this chord among their diatonic harmonies.

CAmGEmDBmAF#mEC#mBG#mF#D#mDbBbmAbFmEbCmBbGmFDmDbmajor
Relative key
Dominant
Subdominant
Key signature
5 flats (Bb, Eb, Ab, Db, Gb)

Practice

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Frequently Asked Questions