F# minor added 9th · Piano

F#m(add9) Chord on Piano

The F#m(add9) chord (F# minor added 9th) is built from the notes F#, A, C# and G#. The keyboard diagram below shows exactly which keys to press. The same chord is also written Gbm(add9); both spellings sound identical.

Chord diagrams

F#m(add9)
F#m(add9) chord diagram for pianoAF♯C♯G♯

Notes in this chord

  • F♯
  • A
  • C♯
  • G♯

Degrees: 1 – ♭3 – 5 – 9

Also written: Gbm(add9)

How to play

To play F#m(add9) on piano, press F#, A, C# and G# together. In root position the lowest note is F#, and the finger numbers follow the keys left to right in the diagram.

Theory behind the chord

Minor add9 chords add the ninth to a plain minor triad without a seventh. The added tone brightens the minor colour just enough to keep it open and cinematic rather than sad. On F#m(add9) this structure sits on the root F#, so the degrees 1 – ♭3 – 5 – 9 map onto F#, A, C# and G#.

Frequently asked questions

Which notes are in the F#m(add9) chord?
F#m(add9) contains the notes F#, A, C# and G#. Relative to the root these are the degrees 1 – ♭3 – 5 – 9.
Are F#m(add9) and Gbm(add9) the same chord?
Yes. F#m(add9) and Gbm(add9) are enharmonically identical — the spelling differs but the frets and keys are the same. Which name is used depends on the key of the piece.

Practise F#m(add9) on your phone

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