Chord · Altered Dom.
F♯13♭9 — F♯ 13th ♭9
F♯13♭9 is the F♯ 13th ♭9 chord. It is built on the root F♯ with major 3rd (A♯), perfect 5th (C♯), minor 7th (E), minor 9th (G) and major 13th (D♯) above it — the formula 1 3 5 ♭7 ♭9 13, sounding the notes F♯ A♯ C♯ E G D♯. 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♯13♭9.
- Root
- F♯
- Quality
- 13th ♭9
- Formula
- 1 3 5 ♭7 ♭9 13
- Notes
- F♯ A♯ C♯ E G D♯
On the keyboard
The notes of F♯13♭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 | minor 9th | G5 |
| 13 | D♯ | major 13th | D♯6 |
Other altered dom. on F♯
13th ♭9 chords on every root
Part of the chord reference. See also the scales and the keys.