What is a F#9 Chord?

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F#9

F#9 Dominant 9th

String-by-String

E
×
A
×
D
4
G
3
B
2
e
2

F#9 Dominant 9th is a dominant ninth chord with the root F#, major third A#, perfect fifth C#, minor seventh E, and major ninth G#. It is rich and funky, essential in R&B and funk.

Intervals

RootMajor 3rdPerfect 5thMinor 7thMajor 9th

Notes

F#A#C#EG#

Why does F#9 sound funky and rich?

The F#9 Dominant 9th chord gets its funky and rich character from the combination of its root, major 3rd, perfect 5th, minor 7th, major 9th. The specific intervals between the notes F#, A#, C#, E, G#create the harmonic tension and color that define this chord's unique sonic signature.

How to use F#9?

F#9 is commonly used in progressions across many genres. Try substituting it where you would normally play a standard F# chord for added harmonic interest. It pairs well with other chords in the key of F# and can serve as both a foundation and a color chord depending on the context.