Piano chord · also written G♭9

F♯ Dominant 9th Piano Chord (F♯9)

The F♯ Dominant 9th chord on piano is made of the notes F♯, A♯, C♯, E and G♯. Funky and jazzy. A dominant 7th with an added 9th.

F♯ Dominant 9th chord on a piano keyboard: F♯, A♯, C♯, E, G♯ C5C6 F♯ A♯ C♯ E G♯

F♯9 F♯ – A♯ – C♯ – E – G♯

Tap any key to hear it.

Name any chord from its keys in the chord finder →

What notes are in F♯ Dominant 9th?

5 notes, built 1 – 3 – 5 – ♭7 – 9 up from F♯.

Notes
F♯ – A♯ – C♯ – E – G♯
Formula
1 – 3 – 5 – ♭7 – 9
Semitones from the root
0 – 4 – 7 – 10 – 14
Symbol
F♯9
Same keys as
G♭9 (G♭ – B♭ – D♭ – F♭ – A♭)
Chord type
Dominant 9th, 5 notes

How to play F♯ Dominant 9th on piano

F♯ Dominant 9th spans more than an octave, so it is usually split between the hands.

  • Left hand: F♯ and C♯ (fingers 5 and 1).
  • Right hand: A♯, E, G♯ (fingers 1, 3 and 5).
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F♯ Dominant 9th inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: F♯9/A♯, F♯9/C♯, F♯9/E.

F♯ Dominant 9th root position on piano: F♯, A♯, C♯, E, G♯ F♯ A♯ C♯ E G♯
Root position F♯9 F♯ – A♯ – C♯ – E – G♯
F♯ Dominant 9th 1st inversion on piano: A♯, C♯, E, F♯, G♯ A♯ C♯ E F♯ G♯
1st inversion F♯9/A♯ A♯ – C♯ – E – F♯ – G♯
F♯ Dominant 9th 2nd inversion on piano: C♯, E, F♯, G♯, A♯ C♯ E F♯ G♯ A♯
2nd inversion F♯9/C♯ C♯ – E – F♯ – G♯ – A♯
F♯ Dominant 9th 3rd inversion on piano: E, F♯, G♯, A♯, C♯ E F♯ G♯ A♯ C♯
3rd inversion F♯9/E E – F♯ – G♯ – A♯ – C♯

Progressions with F♯ Dominant 9th

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

ii–V–I

in B major

  1. ii7 C♯m7
  2. V9 F♯9
  3. Imaj7 Bmaj7
ii–V–I in B major: C♯m7, F♯9, Bmaj7 B C♯ E G♯

Minor cadence

in B minor

  1. i Bm
  2. iv Em
  3. V9 F♯9
  4. i Bm
Minor cadence in B minor: Bm, Em, F♯9, Bm B D F♯

Can you find F♯ Dominant 9th?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of F♯ Dominant 9th (F♯9)

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

What key is F♯ Dominant 9th in?

The keys whose scale contains every note of F♯9, with the chord’s Roman numeral in each.

Major keys

  • B majorV9

Minor keys

  • B minorV9 (harmonic minor)
  • G♯ minorVII9

F♯ Dominant 9th chord FAQ

What notes are in the F♯ Dominant 9th chord?

F♯ Dominant 9th (F♯9) has 5 notes: F♯, A♯, C♯, E and G♯. Its formula is 1 – 3 – 5 – ♭7 – 9, counted up from F♯.

How do you play F♯ Dominant 9th on the piano?

Spread it over two hands: the left hand plays F♯ and C♯ (fingers 5 and 1), the right hand plays A♯, E, G♯ (fingers 1, 3 and 5).

Is F♯ Dominant 9th the same as G♭ Dominant 9th?

On the piano, yes: G♭9 (G♭, B♭, D♭, F♭, A♭) uses exactly the same keys as F♯9 (F♯, A♯, C♯, E, G♯). Which name is used depends on the key of the piece; F♯9 is the more common spelling.

What are the inversions of F♯ Dominant 9th?

1st inversion: A♯, C♯, E, F♯, G♯ (F♯9/A♯). 2nd inversion: C♯, E, F♯, G♯, A♯ (F♯9/C♯). 3rd inversion: E, F♯, G♯, A♯, C♯ (F♯9/E).

What key is F♯ Dominant 9th in?

F♯9 belongs to B major (V9) and G♯ minor (VII9).

Other F♯ chords

Dominant 9th chords on every root

Piano chord chart: all 264 chords Open F♯9 in the chord finder Free PDF chord chart Play it on the virtual piano