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