About the G sharp minor nine chord
G sharp minor nine is used in F sharp Major, where every note it holds is a scale tone. Think of it as a G♯ minor ninth chord.
Its notes are G♯, B, D♯, F♯, and A♯. The intervals are a minor third, a perfect fifth, a minor seventh, and a major ninth.
Also called -9 and min9. A flat minor nine spells the same notes enharmonically.
Inversions
G sharp minor nine (root position)
Notes and intervals
| 1 | G#G♯ | Root |
|---|---|---|
| 2 | BB | Minor 3rd |
| 3 | D#D♯ | Perfect 5th |
| 4 | F#F♯ | Minor 7th |
| 5 | A#A♯ | Major 9th |
Shapes
Chromatic
Circle of Fifths
Other G sharp chords
Simpler triads
Suspended
Sixths and sevenths
Extensions
Altered
Functional relationships
These chords are where this one most naturally comes from and resolves to inside a key.
Relative major
The relative major uses the same notes and key signature, so it works as a brighter home base.
Parallel major
The parallel major keeps the same root note but raises the third, giving the same key a brighter, happier sound.
Dominant
The dominant is a fifth above the root, and it builds tension that pulls strongly back to this chord.
Subdominant
The subdominant is a fourth above the root (a fifth below), and it usually leads on to the dominant or back home.
Tritone substitution
The tritone substitution stands in for this chord's dominant with a dominant seventh a half step above the root, which slides down by a half step to resolve here.
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