About the G sharp thirteen suspended four chord
G sharp thirteen suspended four is used in F sharp Major, where every note it holds is a scale tone. Think of it as a G♯ thirteenth suspended fourth chord.
Its notes are G♯, C♯, D♯, F♯, A♯, and E♯. The intervals are a perfect fourth, a perfect fifth, a minor seventh, a major ninth, and a major thirteenth.
Also called 13sus. A flat thirteen suspended four spells the same notes enharmonically.
Inversions
G sharp thirteen suspended four (root position)
Notes and intervals
| 1 | G#G♯ | Root |
|---|---|---|
| 2 | C#C♯ | Perfect 4th |
| 3 | D#D♯ | Perfect 5th |
| 4 | F#F♯ | Minor 7th |
| 5 | A#A♯ | Major 9th |
| 6 | E#E♯ | Major 13th |
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.
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 is a dominant chord a tritone away that shares the same tension, so it can stand in for this chord and resolve the same way.