Chord · Altered Dom.
F♯7♭5♭9 — F♯ Altered ♭5♭9
F♯7♭5♭9 is the F♯ altered ♭5♭9 chord. It is built on the root F♯ with major 3rd (A♯), diminished 5th (C), minor 7th (E) and minor 9th (G) above it — the formula 1 3 ♭5 ♭7 ♭9, sounding the notes F♯ A♯ C E G. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 5 notes in any octave are still F♯7♭5♭9.
- Root
- F♯
- Quality
- Altered ♭5♭9
- Formula
- 1 3 ♭5 ♭7 ♭9
- Notes
- F♯ A♯ C E G
On the keyboard
The notes of F♯7♭5♭9
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F♯ | root | F♯4 |
| 3 | A♯ | major 3rd | A♯4 |
| ♭5 | C | diminished 5th | C5 |
| ♭7 | E | minor 7th | E5 |
| ♭9 | G | minor 9th | G5 |
Other altered dom. on F♯
Altered ♭5♭9 chords on every root
Part of the chord reference. See also the scales and the keys.