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A augmented seventh chord
The A7♯5 chord (augmented seventh) is made of the notes A, C♯, E♯, G. Its formula compared with the major scale is 1 3 ♯5 ♭7.
A7♯5
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | A | Unison |
| 3 | C♯ | Major third |
| ♯5 | E♯ | Augmented fifth |
| ♭7 | G | Minor seventh |
Inversions
- A7♯5A C♯ E♯ GRoot position
- A7♯5/C♯C♯ E♯ G AFirst inversion
- A7♯5/E♯E♯ G A C♯Second inversion
- A7♯5/GG A C♯ E♯Third inversion
Frequently asked questions
- Which notes make up the A7♯5 chord?
- The notes are A, C♯, E♯, G.
- What is the formula of the A7♯5 chord?
- The formula is 1 3 ♯5 ♭7: major third, augmented fifth, minor seventh.
From theory to practice
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