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B Dominant 7th Chord (B7)

Notes: B, D♯, F♯, A. Tap any diagram to hear it.

B7
Notes
BD♯F♯A
Formula
1 – 3 – 5 – ♭7

B7 on guitar

Open position · most common
x-2-1-2-0-2
Fret 4
7-6-4-4-4-5
Fret 7
7-9-7-8-7-7

Strings from low (left) to high (right). Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. × = don’t play, ○ = open string.

B7 on ukulele

Fret 2 · most common
2-3-2-2
Fret 6
8-6-7-0
Fret 11
11-11-11-0

B7 on piano

Other B chords

BBmBmaj7Bm7Bsus2Bsus4BdimBaugB6Bm6B9Badd9B7sus4Bm7♭5Bdim7

Dominant 7th chords in other keys

C7C♯7D7E♭7E7F7F♯7G7A♭7A7B♭7

About the B Dominant 7th chord

Dominant seventh chords add tension that wants to resolve, usually to the chord a fifth below. They are essential in blues, jazz and rock. B7 is built from the root (B), major third (D♯), perfect fifth (F♯), minor seventh (A).

Frequently asked questions

What notes are in the B Dominant 7th chord?

The B7 chord is made of B, D♯, F♯, A: the root, major third, perfect fifth, minor seventh.

How do you play B7 on guitar?

The most common fingering is x-2-1-2-0-2, from the low E string to the high E string (x = don’t play that string, 0 = open string).

How do you play B7 on piano?

Press B, D♯, F♯, A together. In root position the lowest note is B.