Chord · Altered Dom.
G7♭9♯11 — G Altered ♭9♯11
G7♭9♯11 is the G altered ♭9♯11 chord. It is built on the root G with major 3rd (B), perfect 5th (D), minor 7th (F), minor 9th (A♭) and augmented 11th (C♯) above it — the formula 1 3 5 ♭7 ♭9 ♯11, sounding the notes G B D F A♭ C♯. On the piano it sits at G (octave 4) and above in the library's voicing; the same 6 notes in any octave are still G7♭9♯11.
- Root
- G
- Quality
- Altered ♭9♯11
- Formula
- 1 3 5 ♭7 ♭9 ♯11
- Notes
- G B D F A♭ C♯
On the keyboard
The notes of G7♭9♯11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | G | root | G4 |
| 3 | B | major 3rd | B4 |
| 5 | D | perfect 5th | D5 |
| ♭7 | F | minor 7th | F5 |
| ♭9 | A♭ | minor 9th | A♭5 |
| ♯11 | C♯ | augmented 11th | C♯6 |
Other altered dom. on G
Altered ♭9♯11 chords on every root
Part of the chord reference. See also the scales and the keys.