G# dominant 7th suspended 4th · Piano
G#7sus4 Chord on Piano
The G#7sus4 chord (G# dominant 7th suspended 4th) is built from the notes G#, C#, D# and F#. The keyboard diagram below shows exactly which keys to press. The same chord is also written Ab7sus4; both spellings sound identical.
Chord diagrams
Notes in this chord
- G♯
- C♯
- D♯
- F♯
Degrees: 1 – 4 – 5 – ♭7
Also written: Ab7sus4
How to play
To play G#7sus4 on piano, press G#, C#, D# and F# together. In root position the lowest note is G#, and the finger numbers follow the keys left to right in the diagram.
Theory behind the chord
The 7sus4 chord combines the suspended fourth with a minor seventh. It delays resolution while keeping the dominant pull, which makes it a favourite setup chord before a V–I move. On G#7sus4 this structure sits on the root G#, so the degrees 1 – 4 – 5 – ♭7 map onto G#, C#, D# and F#.
Frequently asked questions
- Which notes are in the G#7sus4 chord?
- G#7sus4 contains the notes G#, C#, D# and F#. Relative to the root these are the degrees 1 – 4 – 5 – ♭7.
- Are G#7sus4 and Ab7sus4 the same chord?
- Yes. G#7sus4 and Ab7sus4 are enharmonically identical — the spelling differs but the frets and keys are the same. Which name is used depends on the key of the piece.
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