B7 chord (B dominant seventh) on piano
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 inversions and fingering
B D# F# A · RH 1-2-3-5 · LH 5-3-2-1
D# F# A B · RH 1-2-4-5 · LH 5-3-2-1
F# A B D# · RH 1-2-3-5 · LH 5-3-2-1
A B D# F# · RH 1-2-3-5 · LH 5-4-2-1
B D# A · LH 5-3-1
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| 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 keyboard
Piano, C3 to C5. Notes in this scale, low to high: D#3 (3), F#3 (5), A3 (flat 7), B3 (1), D#4 (3), F#4 (5), A4 (flat 7), B4 (1).
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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 piano?
Play B, D#, F# and A together. Root position: B D# F# A · RH 1-2-3-5 · LH 5-3-2-1.
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.