Banjo · key of B major

Chords in the key of B major

The seven chords in the key of B major are B, C♯m, D♯m, E, F♯, G♯m and A♯dim. B, E and F♯ are the major chords (I, IV and V), C♯m, D♯m and G♯m are the minor chords (ii, iii and vi), and A♯dim is diminished (vii°). Its relative minor is G♯ minor, which uses the same seven chords. The same key is sometimes written C♭ major.

The chords of B major
NumeralTriadNotesSeventh chordNotesNumberRole
IBhomeB D♯ F♯Bmaj7homeB D♯ F♯ A♯1tonic
iiC♯mrestlessC♯ E G♯C♯m7restlessC♯ E G♯ B2msupertonic
iiiD♯mhalf-lightD♯ F♯ A♯D♯m7half-lightD♯ F♯ A♯ C♯3mmediant
IVEthe doorE G♯ BEmaj7the doorE G♯ B D♯4subdominant
VF♯the pullF♯ A♯ C♯F♯7the pullF♯ A♯ C♯ E5dominant
viG♯mthe shadowG♯ B D♯G♯m7the shadowG♯ B D♯ F♯6msubmediant
vii°A♯dimthe edgeA♯ C♯ EA♯m7♭5the edgeA♯ C♯ E G♯7°leading tone

Strum or arpeggiate any chord, tap a note to hear it, drag the strip under a picture to play it further up the neck, or pick another inversion. Library opens the chord there, with every other way to play it.

B

LibraryBanjo · Standard

I · tonic

GDGBD45R35noteF♯BD♯F♯role5R35fret4444fret 4C3C4C5C6

C♯m

LibraryBanjo · Standard

ii · supertonic

GDGBD♭35R♭3noteEG♯C♯Erole♭35R♭3fret2122frets 1–2C3C4C5C6

D♯m

LibraryBanjo · Standard

iii · mediant

GDGBD3♭35R♭3noteF♯A♯D♯F♯role♭35R♭3fret4344frets 3–4C3C4C5C6

E

LibraryBanjo · Standard

IV · subdominant

GDGBDR3RnoteEG♯BEroleR35Rfret2102frets 1–2C3C4C5C6

F♯

LibraryBanjo · Standard

V · dominant

GDGBDR35RnoteF♯A♯C♯F♯roleR35Rfret4324frets 2–4C3C4C5C6

G♯m

LibraryBanjo · Standard

vi · submediant

GDGBD5R5noteD♯G♯BD♯role5R♭35fret1101fret 1C3C4C5C6

A♯dim

LibraryBanjo · Standard

vii° · leading tone

GDGBD♭5R♭3♭5noteEA♯C♯Erole♭5R♭3♭5fret2322frets 2–3C3C4C5C6

Chord progressions in B major

Press a chord to hear it and see its shape, or Play to hear the progression on banjo. The colours say what each chord does in the key.

Tempo85

↓ · ↓ ↑ · ↑ ↓ ↑ · Down, down-up, up-down-up: the campfire strum, also called the calypso strum.

Colours

homethe pullthe doorthe shadowrestlesshalf-light

What each chord does in its key. Press a chord to hear it and read more.

The three-chord trick

I | IV | V | I

Chord chart

The chords of countless folk, country, blues and rock and roll songs.

The pop progression

I | V | vi | IV

Chord chart

I–V–vi–IV, behind a great many hits since the 1980s.

The fifties progression

I | vi | IV | V

Chord chart

I–vi–IV–V, the doo-wop changes.

The pop progression from its minor chord

vi | IV | I | V

Chord chart

vi–IV–I–V: the pop progression started on its minor chord, which gives it a sadder sound.

The royal road

IV | V | iii | vi

Chord chart

IV–V–iii–vi, a favourite of Japanese pop.

ii–V–I

ii7 | V7 | Imaj7 | Imaj7

Chord chart

The turnaround of jazz, in seventh chords.

The relative minor: G♯ minor

G♯ minor has the same notes and the same seven chords as B major, starting from G♯. A song in one often moves to the other. The parallel minor, B minor, starts on the same note with a different set of chords.

Play it with a capo

B major takes barre chords on banjo. A capo lets you play it with the open shapes of an easier key:

  • Capo 4, the shapes of G major: G, Am, Bm, C, D, Em and F♯dim

The B major scale and key signature

The notes of B major are B, C♯, D♯, E, F♯, G♯, A♯. Its key signature has five sharps: C♯, D♯, F♯, G♯ and A♯. Each chord of the key is built from these notes, a third apart: a chord on every note of the scale. See the B major scale on the banjo neck, and the B major pentatonic.

Keys nearby

On the circle of fifths, F♯ major and E major sit on either side of B major. Each shares six of its seven notes, which makes them the easiest keys to change to.

Every key

CD♭DE♭EFF♯GA♭AB♭B

C minorC♯ minorD minorE♭ minorE minorF minorF♯ minorG minorG♯ minorA minorB♭ minorB minor

All twenty-four on one page: chords in every key. To print these chords, open them as a chord chart, or make your own in the chord chart maker. This key on guitar, bass, ukulele and mandolin.