Chord · Altered Dom.
F♯7♯5♭9/11 — F♯ Altered ♯5♭9 / 11th
F♯7♯5♭9/11 is the F♯ altered ♯5♭9 / 11th chord. It is built on the root F♯ with major 3rd (A♯), augmented 5th (C𝄪), minor 7th (E), minor 9th (G) and perfect 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♯5♭9/11.
- Root
- F♯
- Quality
- Altered ♯5♭9 / 11th
- Formula
- 1 3 ♯5 ♭7 ♭9 11
- Notes
- F♯ A♯ C𝄪 E G B
On the keyboard
The notes of F♯7♯5♭9/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F♯ | root | F♯4 |
| 3 | A♯ | major 3rd | A♯4 |
| ♯5 | C𝄪 | augmented 5th | C♯♯5 |
| ♭7 | E | minor 7th | E5 |
| ♭9 | G | minor 9th | G5 |
| 11 | B | perfect 11th | B5 |
Other altered dom. on F♯
Altered ♯5♭9 / 11th chords on every root
Part of the chord reference. See also the scales and the keys.