Playing the G#m9 Piano Chord
The G#m9 chord is a minor 9th chord built on the root G#. It contains 5 notes: G#, B, D#, F#, A#. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.
Minor 7th chord with an added 9th. Rich texture used in neo-soul and R&B. Mastering the G#m9 chord opens up countless songs and progressions in the key of G#.
Piano Finger Positions for G#m9
For the G#m9 extended chord, use these finger positions:
- Right hand (root position): Thumb (1) on G#, middle finger (3) on B, pinky (5) on D#.
- Left hand (root position): Pinky (5) on G#, middle finger (3) on B, thumb (1) on D#.
- Arpeggiated: Play the notes sequentially from lowest to highest for a broken extended effect.
G#m9 Chord Inversions
Inversions change the bass note while keeping the same harmonic quality:
| Inversion | Bass Note | Notes (bottom to top) | Sound |
|---|---|---|---|
| Root | G# | G# – B – D# – F# – A# | Most stable |
| 1st | B | B – D# – F# – A# – G# | Lighter, less stable |
| 2nd | D# | D# – F# – G# – B | Open, airy |
Interval Structure of G#m9
| Degree | Interval | Semitones | Note in G# |
|---|---|---|---|
| Root | Root (R) | 0 | G# |
| 3rd | Minor 3rd | 3 | B |
| 5th | Perfect 5th | 7 | D# |
| 7th | Minor 7th | 10 | F# |
| 9th | Major 9th | 14 | A# |
Common Progressions with G#m9 on Piano
- I–IV–V–I: G#m9 – C#m9 – D#m9 – G#m9 (classic cadence)
- I–V–vi–IV: G#m9 – D# – Fm – C# (pop progression)
- ii–V–I: A#m – D# – G#m9 (jazz turnaround)