Chord · 6ths & Adds
C♯m6/9/11 — C♯ Minor 6/9 / 11th
C♯m6/9/11 is the C♯ minor 6/9 / 11th chord. It is built on the root C♯ with minor 3rd (E), perfect 5th (G♯), major 6th (A♯), major 9th (D♯) and perfect 11th (F♯) above it — the formula 1 ♭3 5 6 9 11, sounding the notes C♯ E G♯ A♯ D♯ F♯. On the piano it sits at C# (octave 4) and above in the library's voicing; the same 6 notes in any octave are still C♯m6/9/11.
- Root
- C♯
- Quality
- Minor 6/9 / 11th
- Formula
- 1 ♭3 5 6 9 11
- Notes
- C♯ E G♯ A♯ D♯ F♯
On the keyboard
The notes of C♯m6/9/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C♯ | root | C♯4 |
| ♭3 | E | minor 3rd | E4 |
| 5 | G♯ | perfect 5th | G♯4 |
| 6 | A♯ | major 6th | A♯4 |
| 9 | D♯ | major 9th | D♯5 |
| 11 | F♯ | perfect 11th | F♯5 |
Other 6ths & adds on C♯
Minor 6/9 / 11th chords on every root
Part of the chord reference. See also the scales and the keys.