Scale degrees · A major
The ♭7 of A is G
The ♭7 (flat seven, written b7) of A is G: a minor seventh above the root.
A — the root, 1G — the ♭7
How to find it
Count letters first, the root included: A, B, C, D, E, F, G. A 7th lands on G.
Then the sound: a minor seventh is 10 semitones above A, which is exactly where G is — no sharp or flat needed.
Where you meet it
The ♭7 is the 7th of the dominant chord and of the minor seventh chord, and the note that turns the major scale into Mixolydian.
In A7:
A · C♯ · E · G
The ♭7 in every key
| Key | The ♭7 |
|---|---|
| C | B♭ |
| G | F |
| D | C |
| A | G |
| E | D |
| B | A |
| F♯ | E |
| D♭ | C♭ |
| A♭ | G♭ |
| E♭ | D♭ |
| B♭ | A♭ |
| F | E♭ |
Every degree of A
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