root position: B7
B – D♯ – F♯ – A
The B dominant 7 chord (B7) is made of the notes B, D♯, F♯ and A. Its formula is 1 – 3 – 5 – ♭7.
| Note | Formula | Interval from root |
|---|---|---|
| B | 1 | root |
| D♯ | 3 | major 3rd |
| F♯ | 5 | perfect 5th |
| A | ♭7 | minor 7th |
Fingers are numbered from the thumb (1) to the little finger (5).
B – D♯ – F♯ – A
D♯ – F♯ – A – B
F♯ – A – B – D♯
A – B – D♯ – F♯
B7 is also written as Bdom7.