Chord · Altered Dom.
F♯7♭9♯11 — F♯ Altered ♭9♯11
F♯7♭9♯11 is the F♯ altered ♭9♯11 chord. It is built on the root F♯ with major 3rd (A♯), perfect 5th (C♯), minor 7th (E), minor 9th (G) and augmented 11th (B♯) above it — the formula 1 3 5 ♭7 ♭9 ♯11, sounding the notes F♯ A♯ C♯ E G B♯. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 6 notes in any octave are still F♯7♭9♯11.
- Root
- F♯
- Quality
- Altered ♭9♯11
- Formula
- 1 3 5 ♭7 ♭9 ♯11
- Notes
- F♯ A♯ C♯ E G B♯
On the keyboard
The notes of F♯7♭9♯11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F♯ | root | F♯4 |
| 3 | A♯ | major 3rd | A♯4 |
| 5 | C♯ | perfect 5th | C♯5 |
| ♭7 | E | minor 7th | E5 |
| ♭9 | G | minor 9th | G5 |
| ♯11 | B♯ | augmented 11th | B♯5 |
Other altered dom. on F♯
Altered ♭9♯11 chords on every root
Part of the chord reference. See also the scales and the keys.