Chord · 7ths
C7 — C Dominant 7th
C7 is the C dominant 7th chord. It is built on the root C with major 3rd (E), perfect 5th (G) and minor 7th (B♭) above it — the formula 1 3 5 ♭7, sounding the notes C E G B♭. On the piano it sits at C (octave 4) and above in the library's voicing; the same 4 notes in any octave are still C7.
- Root
- C
- Quality
- Dominant 7th
- Formula
- 1 3 5 ♭7
- Notes
- C E G B♭
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of C7
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| 3 | E | major 3rd | E4 |
| 5 | G | perfect 5th | G4 |
| ♭7 | B♭ | minor 7th | B♭4 |
Other 7ths on C
Dominant 7th chords on every root
Part of the chord reference. See also the scales and the keys.