B in C♭ major
In C♭ major, B is B♭ (flat)
In C♭ major, B is B♭ (flat)The key signature of C♭ major puts a flat on every B.
Is B flat in C♭ major?
In C♭ major, B is B♭: the key signature puts a flat on every B, in every octave, for as long as that signature stands.
The signature of C♭ major is seven flats, B♭, E♭, A♭, D♭, G♭, C♭ and F♭. B♭ 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 C♭ major scale runs C♭, D♭, E♭, F♭, G♭, A♭, B♭ — one of each letter, each carrying whatever the signature gives it. The staff above draws the C♭ major signature and the note B♭ inside it — exactly as you would meet it in a piece written in this key.
Every letter in C♭ major
C♭ major has seven flats, B♭, E♭, A♭, D♭, G♭, C♭ and F♭. That fixes what each of the seven letters is called in this key:
- C is C♭
- D is D♭
- E is E♭
- F is F♭
- G is G♭
- A is A♭
- B is B♭ — the letter on this page
Related keys
C♭ major shares its signature with its relative A♭ minor — the same sharps or flats, so B is B♭ there too.
C♭ major and B major are the same key on the keyboard, written two different ways — so they answer this question differently: B is B♭ in C♭ major, and B in B major.
Frequently asked questions
- Is B flat in C♭ major?
- Yes. C♭ major has seven flats, B♭, E♭, A♭, D♭, G♭, C♭ and F♭, and B♭ is one of them, so every B in the key is played as B♭.
- What accidental does B carry in C♭ major?
- B is B♭ (flat). The signature of C♭ major is seven flats, B♭, E♭, A♭, D♭, G♭, C♭ and F♭. B♭ 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 C♭ major?
- C♭ major has seven flats, B♭, E♭, A♭, D♭, G♭, C♭ and F♭ — written in that order at the start of the staff.
- How is the C♭ major scale spelled?
- From the tonic up: C♭, D♭, E♭, F♭, G♭, A♭, B♭. Each letter appears once, carrying whatever the key signature gives it.