D 9sus4
Notes:D – G – A – C – E
Formula:R-P4-P5-m7-M9
Intervals:P1-P4-P5-m7-M9
Scale Degrees:1-4-5-b7-9
Introduction
The D 9sus4 piano chord (D9sus4) consists of the notes D, G, A, C, E. Formula: R-P4-P5-m7-M9 | Scale degrees: 1-4-5-b7-9.
Notes
D 9sus4 Inversions
| Position | Notes |
|---|---|
| Root Position | D4 – G4 – A4 – C5 – E5 |
| 1st Inversion | G4 – A4 – C5 – E5 – D6 |
| 2nd Inversion | A4 – C5 – E5 – D6 – G6 |
Key Signature
The key of D 9sus4 has 2 sharps: F♯, C♯.
F♯C♯
Theory: Intervals
Formula: R-P4-P5-m7-M9
Intervals: P1-P4-P5-m7-M9
The D 9sus4 is built by stacking intervals from the root note. The formula R-P4-P5-m7-M9 describes the scale degrees used. The intervals P1-P4-P5-m7-M9 show the distance between each note in the chord.
D 9sus4 — Frequently Asked Questions
What notes are in the D 9sus4 chord?
The D 9sus4 chord (D9sus4) contains 5 notes: D, G, A, C, E. Formula: R-P4-P5-m7-M9.
How is D9sus4 used in music?
D9sus4 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for D9sus4?
D9sus4 uses scale degrees 1-4-5-b7-9, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on D and spacing remaining fingers across the chord.
- Practice D9sus4 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing D9sus4 in different octaves to find the most comfortable position.
- Resolve D9sus4 to a nearby chord to hear its function in context.