D# Add 9
Notes:D# ā G ā A# ā F
Formula:R-M3-P5-M9
Intervals:P1-M3-P5-M9
Scale Degrees:1-3-5-9
Introduction
The D# Add 9 piano chord (D#add9) consists of the notes D#, G, A#, F. It is a major triad with an added major 9th without the 7th, giving it a bright, open character that adds color to a major chord without the 7th. Formula: R-M3-P5-M9 | Scale degrees: 1-3-5-9.
Enharmonic equivalent: DāÆ is enharmonically equivalent to Eā. See Eb Add 9.
Notes
D# Add 9 Inversions
| Position | Notes |
|---|---|
| Root Position | D#4 ā G4 ā A#4 ā F5 |
| 1st Inversion | G4 ā A#4 ā D#5 ā F5 |
| 2nd Inversion | A#4 ā D#5 ā F5 ā G5 |
| 3rd Inversion | D#4 ā G4 ā A#4 ā F4 |
Key Signature
The key of D# Add 9 has Key signature data not available.
Theory: Intervals
Formula: R-M3-P5-M9
Intervals: P1-M3-P5-M9
The D# Add 9 is built by stacking intervals from the root note. The formula R-M3-P5-M9 describes the scale degrees used. The intervals P1-M3-P5-M9 show the distance between each note in the chord.
D# Add 9 ā Frequently Asked Questions
What notes are in the D# Add 9 chord?
D# Add 9 is built from the D# root. Check the interactive keyboard above for exact notes and fingering.
How is the D# Add 9 chord used in music?
D# Add 9 appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Add 9).
What is the fingering for D# Add 9?
See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.
What are the inversions of D# Add 9?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.
Practice Tips
- Major triad plus the 9th ā no 7th.
- Open, modern pop sound.
- Simpler than a full 9th chord.
- Compare with D#9.
- Common in pop and worship music.
- Bright, spacious quality.