D Major 9th
Hear the D Major 9th chord played for you.
Dmaj9
D – F♯ – A – C♯ – E
Formula:R-M3-P5-M7-M9
Intervals:P1-M3-P5-M7-M9
Scale Degrees:1-3-5-7-9
Introduction
The D Major 9th chord is a five-note chord made up of D, F♯, A, C♯, and E. It is built from a root, major third, perfect fifth, major seventh, and major ninth.
The D Major 9th piano chord (Dmaj9) consists of the notes D, F#, A, C#, E. It is a major 7th chord with an added major 9th, giving it a lush, sophisticated character often used in jazz, R&B, and neo-soul progressions. Formula: R-M3-P5-M7-M9 | Scale degrees: 1-3-5-7-9.
Notes
Key Signature
The key of D Major 9th has 2 sharps.
F♯C♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of D Major
These are the diatonic triads built on each degree of the D major scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — D Major (major)
Theory: Intervals
Formula: R-M3-P5-M7-M9
Intervals: P1-M3-P5-M7-M9
The D Major 9th is built by stacking intervals from the root note. The formula R-M3-P5-M7-M9 describes the scale degrees used. The intervals P1-M3-P5-M7-M9 show the distance between each note in the chord.
D Major 9th — Frequently Asked Questions
What notes are in the D Major 9th chord?
The D Major 9th chord (Dmaj9) contains five notes: D (root), F# (major third), A (perfect fifth), C# (major seventh), and E (major ninth). It is Dmaj7 with an added ninth.
How does Dmaj9 differ from D9?
Dmaj9 has a major seventh (C#). D9 has a minor seventh (C). Dmaj9 is dreamy; D9 is dominant and bluesy.
How is Dmaj9 used in music?
Dmaj9 is a lush tonic in D Major. D is a common acoustic key, making Dmaj9 popular in folk-jazz, singer-songwriter, and contemporary worship.
What songs use Major 9th chords?
Major 9th chords appear in neo-soul, jazz, and lo-fi music. D'Angelo, Erykah Badu, and bossa nova standards use maj9 voicings extensively.
How does Dmaj9 differ from Dadd9?
Dmaj9 includes the major seventh (C#). Dadd9 has no seventh. Dmaj9 is warmer and more complex.
Do I need to play all five notes?
No — drop the fifth: D–F#–C#–E is the practical voicing.
Practice Tips
- Play Dmaj7 then add E — hear the lush expansion.
- Drop the fifth: D–F#–C#–E is standard.
- Dmaj9 is beautiful in acoustic settings — try it as a rich tonic in folk-jazz.
- Practice Em9 → A13 → Dmaj9 for the jazz ii–V–I in D.
- Rootless: F#–A–C#–E for jazz comping.
- Compare Dmaj9 with Dadd9 — the major seventh adds warmth and complexity.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.