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Key of Cb

C♭ major is a real key but is almost never written — it would take all 5 sharps. Its simpler enharmonic twin B major is used instead, and is shown below. Go to B major →

C♭ major is the same key as B major. The key of B major has five sharps (F♯, C♯, G♯, D♯, A♯). Its seven notes are B, C♯, D♯, E, F♯, G♯, and A♯. Its relative minor is G♯ Minor, which shares the same notes and key signature. The chords that belong to the key are I B major, ii C♯ minor, iii D♯ minor, IV E major, V F♯ major, vi G♯ minor, vii° A♯ diminished. Its dominant is F♯ major and its subdominant is E major — the keys it most naturally moves toward. Keys built on sharps, like B major, are traditionally described as bright and brilliant.

Key Signature

The notes of the B Major come from B Major, so it carries that key signature: 5 sharps (F♯, C♯, G♯, D♯, A♯).

F♯C♯G♯D♯A♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

F♯C♯G♯D♯A♯E♯B♯

Mnemonic: Father Charles Goes Down And Ends Battle

Relative minor: G♯ Minor scale — same notes, same key signature, different home note.

Chords in the Key of B Major

Every major key is built from seven diatonic chords — one on each note of the scale. In B major they are I B Major, ii C♯ Minor, iii D♯ Minor, IV E Major, V F♯ Major, vi G♯ Minor, and vii° A♯ Diminished. Tap any chord to light it up on the keyboard.

C1C2C3C4BC5C6C7C8D#F#
I — B Major (major)

Common chord progressions in B major

  • I – IV – V — B → E → F♯ — the three primary chords
  • I – V – vi – IV — B → F♯ → G♯ → E — the most common pop progression
  • ii – V – I — C♯ → F♯ → B — the backbone of jazz
  • I – vi – IV – V — B → G♯ → E → F♯ — the classic doo-wop turnaround

Everything in the key of Cb

Every chord, scale, and mode in Cb — click any link for the full interactive page with piano diagrams, audio, notation, and fingerings.

Cb Chords

Cb Major ChordCb Minor ChordCb Augmented ChordCb Diminished ChordCb Suspended 2nd ChordCb Suspended 4th ChordCb Major 6 ChordCb Minor 6th ChordCb Dominant 7th ChordCb Major 7th ChordCb Minor 7th ChordCb Minor Major 7th ChordCb Diminished 7th ChordCb Half Diminished ChordCb Augmented 7th ChordCb Dominant 7th Sharp 11 ChordCb Add 9 ChordCb Major 9th ChordCb Minor 9th ChordCb Major 11th ChordCb Minor 11th ChordCb Major 13th ChordCb Minor 13th ChordCb Dominant 9th ChordCb Dominant 7th ♭5 ChordCb Major 6/9 ChordCb Power ChordCb Dominant 11th ChordCb Dominant 13th ChordCb Dominant 7th sus4 ChordCb Dominant 9th sus4 ChordCb Dominant 13th sus4 ChordCb Dominant 7th ♭9 ChordCb Dominant 7th ♯9 ChordCb Dominant 7th ♭13 ChordCb Dominant 7th ♯5 ChordCb Dominant 9th ♭5 ChordCb Dominant 9th ♯5 ChordCb Dominant 7th ♭9 ♯11 ChordCb Dominant 7th ♯9 ♯11 ChordCb Dominant 7th ♭5 ♯9 ChordCb Minor 11th ♭5 ChordCb Minor 13th ♭5 ChordCb Add 4 ChordCb Minor Add 9 ChordCb Minor Add 11 ChordCb Major 7♯5 ChordCb Major 7♭5 ChordCb Minor 7♯5 ChordCb Major 7♯11 ChordCb Major 9♯11 ChordCb Dominant 9♯11 ChordCb Diminished Major 7th Chord

Cb Scales

Cb Major ScaleCb Minor ScaleCb Major Pentatonic ScaleCb Minor Pentatonic ScaleCb Major Blues ScaleCb Minor Blues ScaleCb Harmonic Minor ScaleCb Melodic Minor ScaleCb Chromatic ScaleCb Altered ScaleCb Phrygian Dominant ScaleCb Locrian Sharp 2 ScaleCb Lydian Dominant ScaleCb Whole Tone ScaleCb Whole-Half Diminished ScaleCb Half-Whole Diminished ScaleCb Major Bebop ScaleCb Dominant Bebop ScaleCb Minor Bebop ScaleCb Harmonic Major ScaleCb Double Harmonic ScaleCb Hungarian Minor ScaleCb Major b6 Pentatonic ScaleCb Minor 6 Pentatonic Scale

Cb Modes

Cb Ionian1st Mode · = Major ScaleCb Dorian2nd Mode of MajorCb Phrygian3rd Mode of MajorCb Lydian4th Mode of MajorCb Mixolydian5th Mode of MajorCb Aeolian6th Mode · = Natural MinorCb Locrian7th Mode of Major
CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭BC♭