Chord · 9ths
C9sus4 — C 9th Sus 4
C9sus4 is the C 9th sus 4 chord. It is built on the root C with perfect 4th (F), perfect 5th (G), minor 7th (B♭) and major 9th (D) above it — the formula 1 4 5 ♭7 9, sounding the notes C F G B♭ D. On the piano it sits at C (octave 4) and above in the library's voicing; the same 5 notes in any octave are still C9sus4.
- Root
- C
- Quality
- 9th Sus 4
- Formula
- 1 4 5 ♭7 9
- Notes
- C F G B♭ D
On the keyboard
The notes of C9sus4
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| 4 | F | perfect 4th | F4 |
| 5 | G | perfect 5th | G4 |
| ♭7 | B♭ | minor 7th | B♭4 |
| 9 | D | major 9th | D5 |
Other 9ths on C
9th Sus 4 chords on every root
Part of the chord reference. See also the scales and the keys.