Listen plays the chord. Play Along lights up each note in order so you can follow.
G♯9sus4
G♯ – C♯ – D♯ – F♯ – A♯
Formula:R-P4-P5-m7-M9
Intervals:P1-P4-P5-m7-M9
Scale Degrees:1-4-5-b7-9
Introduction
The G# 9sus4 chord in root position on a piano keyboard, notes G#, C#, D#, F#, A#.
The G♯ 9sus4 chord is a five-note chord made up of G♯, C♯, D♯, F♯, and A♯. It is built from a root, perfect fourth, perfect fifth, minor seventh, and major ninth.
Notes
Notes:G♯ – C♯ – D♯ – F♯ – A♯
Key Signature
The key of G# 9sus4 (enharmonically equivalent to Ab 9sus4) has 4 flats.
B♭E♭A♭D♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic:Battle Ends And Down Goes Charles’ Father
Chords in the Key of G♯ Major
These are the diatonic triads built on each degree of the G♯ major scale:
The G♯ 9sus4 is built by stacking intervals from the root note. The formula R-P4-P5-m7-M9 describes the scale degrees used. The intervals P1-P4-P5-m7-M9 show the distance between each note in the chord.
Keep going with the 9sus4 chord — these pages cover the underlying theory, the connected reference material, and the practice tools that work with this chord.
