G Dominant 9th
Notes:G – B – D – F – A
Formula:R-M3-P5-m7-M9
Intervals:P1-M3-P5-m7-M9
Scale Degrees:1-3-5-b7-9
Introduction
The G Dominant 9th piano chord (G9) consists of the notes G, B, D, F, A. Formula: R-M3-P5-m7-M9 | Scale degrees: 1-3-5-b7-9.
Notes
G Dominant 9th Inversions
| Position | Notes |
|---|---|
| Root Position | G4 – B4 – D5 – F5 – A5 |
| 1st Inversion | B4 – D5 – F5 – A5 – G6 |
| 2nd Inversion | D4 – F4 – A4 – G5 – B5 |
Key Signature
The key of G Dominant 9th has 1 sharp: F♯.
F♯
Theory: Intervals
Formula: R-M3-P5-m7-M9
Intervals: P1-M3-P5-m7-M9
The G Dominant 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.
G Dominant 9th — Frequently Asked Questions
What notes are in the G Dominant 9th chord?
The G Dominant 9th chord (G9) contains 5 notes: G, B, D, F, A. Formula: R-M3-P5-m7-M9.
How is G9 used in music?
G9 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 G9?
G9 uses scale degrees 1-3-5-b7-9, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on G and spacing remaining fingers across the chord.
- Practice G9 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing G9 in different octaves to find the most comfortable position.
- Resolve G9 to a nearby chord to hear its function in context.