Chord · 6ths & Adds
F♯6/9♯11 — F♯ Six-Nine ♯11
F♯6/9♯11 is the F♯ six-nine ♯11 chord. It is built on the root F♯ with major 3rd (A♯), perfect 5th (C♯), major 6th (D♯), major 9th (G♯) and augmented 11th (B♯) above it — the formula 1 3 5 6 9 ♯11, sounding the notes F♯ A♯ C♯ D♯ 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♯6/9♯11.
- Root
- F♯
- Quality
- Six-Nine ♯11
- Formula
- 1 3 5 6 9 ♯11
- Notes
- F♯ A♯ C♯ D♯ G♯ B♯
On the keyboard
The notes of F♯6/9♯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 |
| 6 | D♯ | major 6th | D♯5 |
| 9 | G♯ | major 9th | G♯5 |
| ♯11 | B♯ | augmented 11th | B♯5 |
Other 6ths & adds on F♯
Six-Nine ♯11 chords on every root
Part of the chord reference. See also the scales and the keys.