Piano chord
F♯ Add9 Chord
F♯add9 is an add9 chord built on F♯. It contains the notes F♯ – A♯ – C♯ – G♯.
F♯add9
Also written: F♯add2, G♭add9
- F♯
- A♯
- C♯
- G♯
F♯
A♯
C♯
G♯
Notes in F♯add9
Count up from F♯ using the intervals below. The formula shows each note relative to the F♯ major scale.
| Notes | Intervals | Formula | Semitones |
|---|---|---|---|
| F♯ | Root | 1 | 0 |
| A♯ | Major 3rd | 3 | 4 |
| C♯ | Perfect 5th | 5 | 7 |
| G♯ | Major 9th | 9 | 14 |
How to play F♯add9 on piano
- Right hand: fingers 1–2–3–5 (thumb on F♯).
- Left hand: fingers 5–3–2–1, or play just the root in the left hand and the other notes in the right.
- Inversions keep your hand closer to the previous chord — see below.
About add9 chords
A major chord with the 9th added above — full and lush without the 7th's jazziness. A staple of modern pop and rock.
Sound: Lush & modern
Songs that use it
- Fast Car · Tracy ChapmanFolk
- Karma Police · RadioheadAlternative
- With or Without You · U2Rock
Keys that contain F♯add9
F♯add9 is built only from notes of these keys. The Roman numeral shows its role in each key.
Hear F♯add9 with different sounds and compare it with other chords in the interactive builder.
Open in the chord builderPractising on an acoustic piano that sounds off?
If chords sound sour even when you play the right notes, the piano is probably out of tune. Our technicians tune pianos across Israel.