Chord · 9ths
C9♯5 — C Dominant 9th ♯5
C9♯5 is the C dominant 9th ♯5 chord. It is built on the root C with major 3rd (E), augmented 5th (G♯), minor 7th (B♭) and major 9th (D) above it — the formula 1 3 ♯5 ♭7 9, sounding the notes C E 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 C9♯5.
- Root
- C
- Quality
- Dominant 9th ♯5
- Formula
- 1 3 ♯5 ♭7 9
- Notes
- C E G♯ B♭ D
On the keyboard
The notes of C9♯5
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| 3 | E | major 3rd | E4 |
| ♯5 | G♯ | augmented 5th | G♯4 |
| ♭7 | B♭ | minor 7th | B♭4 |
| 9 | D | major 9th | D5 |
Other 9ths on C
Dominant 9th ♯5 chords on every root
Part of the chord reference. See also the scales and the keys.