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B♭ augmented seventh chord
The B♭7♯5 chord (augmented seventh) is made of the notes B♭, D, F♯, A♭. Its formula compared with the major scale is 1 3 ♯5 ♭7.
B♭7♯5
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | B♭ | Unison |
| 3 | D | Major third |
| ♯5 | F♯ | Augmented fifth |
| ♭7 | A♭ | Minor seventh |
Inversions
- B♭7♯5B♭ D F♯ A♭Root position
- B♭7♯5/DD F♯ A♭ B♭First inversion
- B♭7♯5/F♯F♯ A♭ B♭ DSecond inversion
- B♭7♯5/A♭A♭ B♭ D F♯Third inversion
Frequently asked questions
- Which notes make up the B♭7♯5 chord?
- The notes are B♭, D, F♯, A♭.
- What is the formula of the B♭7♯5 chord?
- The formula is 1 3 ♯5 ♭7: major third, augmented fifth, minor seventh.
From theory to practice
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