I · tonic
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.
| Numeral | Triad | Notes | Seventh chord | Notes | Number | Role |
|---|---|---|---|---|---|---|
| I | Bhome | B D♯ F♯ | Bmaj7home | B D♯ F♯ A♯ | 1 | tonic |
| ii | C♯mrestless | C♯ E G♯ | C♯m7restless | C♯ E G♯ B | 2m | supertonic |
| iii | D♯mhalf-light | D♯ F♯ A♯ | D♯m7half-light | D♯ F♯ A♯ C♯ | 3m | mediant |
| IV | Ethe door | E G♯ B | Emaj7the door | E G♯ B D♯ | 4 | subdominant |
| V | F♯the pull | F♯ A♯ C♯ | F♯7the pull | F♯ A♯ C♯ E | 5 | dominant |
| vi | G♯mthe shadow | G♯ B D♯ | G♯m7the shadow | G♯ B D♯ F♯ | 6m | submediant |
| vii° | A♯dimthe edge | A♯ C♯ E | A♯m7♭5the edge | A♯ 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.
Chord progressions in B major
Press a chord to hear it and see its shape, or Play to hear the progression on bass. The colours say what each chord does in the key.
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.
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 bass 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
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, ukulele, mandolin and banjo.