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B dominant seventh chord
The B7 chord (dominant seventh) is made of the notes B, D♯, F♯, A. Its formula compared with the major scale is 1 3 5 ♭7.
B7
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | B | Unison |
| 3 | D♯ | Major third |
| 5 | F♯ | Perfect fifth |
| ♭7 | A | Minor seventh |
Inversions
- B7B D♯ F♯ ARoot position
- B7/D♯D♯ F♯ A BFirst inversion
- B7/F♯F♯ A B D♯Second inversion
- B7/AA B D♯ F♯Third inversion
Which keys it belongs to
B7 is a diatonic chord, that is, it comes from a degree of the scale, in these keys:
Frequently asked questions
- Which notes make up the B7 chord?
- The notes are B, D♯, F♯, A.
- What is the formula of the B7 chord?
- The formula is 1 3 5 ♭7: major third, perfect fifth, minor seventh.
From theory to practice
With GEN you generate ever-new exercises on the scales you are studying.