Chord Colors

F sharp add nine chord
PianoGuitar
357912

About the F sharp add nine chord

F sharp add nine is used in F sharp Major, where every note it holds is a scale tone. Think of it as an F♯ added ninth chord.

Its notes are F♯, A♯, C♯, and G♯. The intervals are a major third, a perfect fifth, and a major ninth.

Also called add2 and added second. G flat add nine spells the same notes enharmonically.

Learn more about the F♯add9 chord

Positions

Position 1 of 4

Notes and intervals

1F#F♯Root
2A#A♯Major 3rd
3C#C♯Perfect 5th
4G#G♯Major 9th

Shapes

Chromatic

CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭B

Circle of Fifths

CGDAEBF♯G♭C♯D♭G♯A♭D♯E♭A♯B♭F

Other F sharp chords

Simpler triads

F sharp five chordF sharp major chordF sharp minor chordF sharp diminished chordF sharp augmented chord

Suspended

F sharp suspended two chordF sharp suspended four chordF sharp seven suspended four chordF sharp nine suspended four chordF sharp thirteen suspended four chord

Sixths and sevenths

F sharp six chordF sharp minor six chordF sharp minor flat six chordF sharp seven chordF sharp major seven chordF sharp minor seven chordF sharp minor seven flat five chordF sharp diminished seven chordF sharp minor major seven chordF sharp major seven flat five chordF sharp major seven sharp five chordF sharp minor major seven flat five chord

Extensions

F sharp nine chordF sharp major nine chordF sharp minor nine chordF sharp eleven chordF sharp thirteen chordF sharp six nine chordF sharp minor add nine chordF sharp major eleven chordF sharp major thirteen chordF sharp minor eleven chordF sharp minor thirteen chordF sharp minor six nine chordF sharp minor major nine chordF sharp minor major eleven chord

Altered

F sharp seven sharp five chordF sharp seven flat five chordF sharp seven flat nine chordF sharp seven sharp nine chordF sharp nine flat five chordF sharp nine sharp eleven chordF sharp nine sharp five chord

Functional relationships

These chords are where this one most naturally comes from and resolves to inside a key.

Relative minor

D sharp minor chord Learn more about Relative minor

The relative minor uses the same notes and key signature, so it works as a calmer, darker home base.

Parallel minor

F sharp minor chord Learn more about Parallel minor

The parallel minor keeps the same root note but lowers the third, giving the same key a darker, sadder sound.

Dominant

C sharp major chord Learn more about Dominant

The dominant is a fifth above the root, and it builds tension that pulls strongly back to this chord.

Subdominant

B major chord Learn more about Subdominant

The subdominant is a fourth above the root (a fifth below), and it usually leads on to the dominant or back home.

Tritone substitution

G seven chord Learn more about Tritone substitution

The tritone substitution stands in for this chord's dominant with a dominant seventh a half step above the root, which slides down by a half step to resolve here.

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F♯add9 chord on guitar shown as colored note dots
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