F#sus4 piano chord — the keys, the inversions, the theory
F#sus4 is a suspended fourth chord built from F#, B, C#. Below: the keys to press, every inversion with its own diagram, the intervals it is made of, the keys whose scale contains it, and a progression that actually uses it. Press any diagram to hear it.
F#sus4
F# · B · C#
Semitones above the root: 0 – 5 – 7
The third is replaced by a fourth, so the chord is neither major nor minor until it resolves.
Inversions of F#sus4
Root position
F# · B · C# · bass F#
Inversion 1
B · C# · F# · bass B
Inversion 2
C# · F# · B · bass C#
Same chord, different note at the bottom. Press a diagram to hear it — inversions are how you move between chords without jumping your hand across the keyboard.
Keys that contain F#sus4
- Diii
- Avi
- Eii
- BV
- F#I
In A it does this job: I – V – vi – IV
- A
- E
- F#sus4
- D