In F♯ minor, C is C (sharp)The key signature of F♯ minor puts a sharp on every C.

Is C sharp in F♯ minor?

In F♯ minor, C is C♯: the key signature puts a sharp on every C, in every octave, for as long as that signature stands.

The signature of F♯ minor is three sharps, F♯, C♯ and G♯. C♯ is one of them, which is why you never see a sharp written next to the note — the signature at the start of the staff already said it.

Spelled from the tonic, the F♯ minor scale runs F♯, G♯, A, B, C♯, D, E — one of each letter, each carrying whatever the signature gives it. The staff above draws the F♯ minor signature and the note C♯ inside it — exactly as you would meet it in a piece written in this key.

Every letter in F♯ minor

F♯ minor has three sharps, F♯, C♯ and G♯. That fixes what each of the seven letters is called in this key:

  • C is C♯ — the letter on this page
  • D is D (natural — the signature leaves it alone)
  • E is E (natural — the signature leaves it alone)
  • F is F♯
  • G is G♯
  • A is A (natural — the signature leaves it alone)
  • B is B (natural — the signature leaves it alone)

F♯ minor shares its signature with its relative A major — the same sharps or flats, so C is C♯ there too.

Frequently asked questions

Is C sharp in F♯ minor?
Yes. F♯ minor has three sharps, F♯, C♯ and G♯, and C♯ is one of them, so every C in the key is played as C♯.
What accidental does C carry in F♯ minor?
C is C♯ (sharp). The signature of F♯ minor is three sharps, F♯, C♯ and G♯. C♯ is one of them, which is why you never see a sharp written next to the note — the signature at the start of the staff already said it.
What sharps or flats are in F♯ minor?
F♯ minor has three sharps, F♯, C♯ and G♯ — written in that order at the start of the staff.
How is the F♯ minor scale spelled?
From the tonic up: F♯, G♯, A, B, C♯, D, E. Each letter appears once, carrying whatever the key signature gives it.