B7 chord (B dominant seventh) on guitar
B7 (B dominant seventh) has four notes: B, D sharp, F sharp and A. Its formula is 1, 3, 5, b7. In major keys, B7 is the V7 chord in E major.
B7 chord shapes
Fingers: 2 on A, 1 on D, 3 on G, 4 on e.
Finger 1 barres fret 2, then 3 on D, 4 on B.
Finger 1 barres fret 4, then 4 on E, 3 on A, 2 on e.
Fingers: 2 on A, 1 on D, 3 on G, 4 on B.
Finger 1 barres fret 7, then 3 on A, 2 on G.
Finger 1 barres fret 7, then 3 on A, 2 on G, 4 on B.
Hear it and see every shape in ScaleSpace →
| Symbol | B7 |
|---|---|
| Also written | Bdom7 |
| Notes | B D# F# A |
| Formula | 1 3 5 b7 |
| Intervals | root, major third, perfect fifth, minor seventh |
| Type | Dominant seventh chord |
B7 across the neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 2 F# (5), fret 5 A (flat 7), fret 7 B (1), fret 11 D# (3), fret 14 F# (5), fret 17 A (flat 7), fret 19 B (1), fret 23 D# (3).
- A string: fret 0 A (flat 7), fret 2 B (1), fret 6 D# (3), fret 9 F# (5), fret 12 A (flat 7), fret 14 B (1), fret 18 D# (3), fret 21 F# (5), fret 24 A (flat 7).
- D string: fret 1 D# (3), fret 4 F# (5), fret 7 A (flat 7), fret 9 B (1), fret 13 D# (3), fret 16 F# (5), fret 19 A (flat 7), fret 21 B (1).
- G string: fret 2 A (flat 7), fret 4 B (1), fret 8 D# (3), fret 11 F# (5), fret 14 A (flat 7), fret 16 B (1), fret 20 D# (3), fret 23 F# (5).
- B string: fret 0 B (1), fret 4 D# (3), fret 7 F# (5), fret 10 A (flat 7), fret 12 B (1), fret 16 D# (3), fret 19 F# (5), fret 22 A (flat 7), fret 24 B (1).
- e string: fret 2 F# (5), fret 5 A (flat 7), fret 7 B (1), fret 11 D# (3), fret 14 F# (5), fret 17 A (flat 7), fret 19 B (1), fret 23 D# (3).
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Questions
What notes are in the B7 chord?
B7 (B dominant seventh) has four notes: B, D sharp, F sharp and A. Its formula is 1, 3, 5, b7. B is the root, D# is the major third, F# is the perfect fifth and A is the minor seventh.
How do you play B7 on guitar?
The easiest shape is x21202. Fingers: 2 on A, 1 on D, 3 on G, 4 on e.
What key is B7 in?
In major keys, B7 is the V7 chord in E major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between B7 and B?
B7 is B (B, D# and F#) with a flat 7th added: A.