In B♭ minor, D is D (flat)The key signature of B♭ minor puts a flat on every D.

Is D flat in B♭ minor?

In B♭ minor, D is D♭: the key signature puts a flat on every D, in every octave, for as long as that signature stands.

The signature of B♭ minor is five flats, B♭, E♭, A♭, D♭ and G♭. D♭ is one of them, which is why you never see a flat written next to the note — the signature at the start of the staff already said it.

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

Every letter in B♭ minor

B♭ minor has five flats, B♭, E♭, A♭, D♭ and G♭. That fixes what each of the seven letters is called in this key:

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

B♭ minor shares its signature with its relative D♭ major — the same sharps or flats, so D is D♭ there too.

B♭ minor and A♯ minor are the same key on the keyboard, written two different ways — so they answer this question differently: D is D♭ in B♭ minor, and D♯ in A♯ minor.

Frequently asked questions

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