Chord · 6ths & Adds
F6/9♯11 — F Six-Nine ♯11
F6/9♯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 F6/9♯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 F6/9♯11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F | root | F4 |
| 3 | A | major 3rd | A4 |
| 5 | C | perfect 5th | C5 |
| 6 | D | major 6th | D5 |
| 9 | G | major 9th | G5 |
| ♯11 | B | augmented 11th | B5 |
Other 6ths & adds on F
Six-Nine ♯11 chords on every root
Part of the chord reference. See also the scales and the keys.