ii–V–I
in G major
Piano chord
D Dominant 9th Piano Chord (D9)
The D Dominant 9th chord on piano is made of the notes D, F♯, A, C and E. Funky and jazzy. A dominant 7th with an added 9th.
Tap any key to hear it.
What notes are in D Dominant 9th?
5 notes, built 1 – 3 – 5 – ♭7 – 9 up from D.
- Notes
- D – F♯ – A – C – E
- Formula
- 1 – 3 – 5 – ♭7 – 9
- Semitones from the root
- 0 – 4 – 7 – 10 – 14
- Symbol
- D9
- Chord type
- Dominant 9th, 5 notes
How to play D Dominant 9th on piano
D Dominant 9th spans more than an octave, so it is usually split between the hands.
- Left hand: D and A (fingers 5 and 1).
- Right hand: F♯, C, E (fingers 1, 3 and 5).
D Dominant 9th inversions
Each inversion puts a different note of the chord in the bass. Written as a slash chord: D9/F♯, D9/A, D9/C.
Can you find D Dominant 9th?
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of D Dominant 9th (D9)
Score 0
Any octave, any order. Each key you tap plays.
What key is D Dominant 9th in?
The keys whose scale contains every note of D9, with the chord’s Roman numeral in each.
Major keys
- G majorV9
Minor keys
- G minorV9 (harmonic minor)
- E minorVII9
D Dominant 9th chord FAQ
What notes are in the D Dominant 9th chord?
D Dominant 9th (D9) has 5 notes: D, F♯, A, C and E. Its formula is 1 – 3 – 5 – ♭7 – 9, counted up from D.
How do you play D Dominant 9th on the piano?
Spread it over two hands: the left hand plays D and A (fingers 5 and 1), the right hand plays F♯, C, E (fingers 1, 3 and 5).
What are the inversions of D Dominant 9th?
1st inversion: F♯, A, C, D, E (D9/F♯). 2nd inversion: A, C, D, E, F♯ (D9/A). 3rd inversion: C, D, E, F♯, A (D9/C).
What key is D Dominant 9th in?
D9 belongs to G major (V9) and E minor (VII9).