Chord · 6ths & Adds
F♯add9 — F♯ Added 9th
F♯add9 is the F♯ added 9th chord. It is built on the root F♯ with major 3rd (A♯), perfect 5th (C♯) and major 9th (G♯) above it — the formula 1 3 5 9, sounding the notes F♯ A♯ C♯ G♯. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 4 notes in any octave are still F♯add9.
- Root
- F♯
- Quality
- Added 9th
- Formula
- 1 3 5 9
- Notes
- F♯ A♯ C♯ G♯
On the keyboard
The notes of F♯add9
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F♯ | root | F♯4 |
| 3 | A♯ | major 3rd | A♯4 |
| 5 | C♯ | perfect 5th | C♯5 |
| 9 | G♯ | major 9th | G♯5 |
Other 6ths & adds on F♯
Added 9th chords on every root
Part of the chord reference. See also the scales and the keys.