ii–V–I
in F major
Piano chord
C Dominant 7th Piano Chord (C7)
The C Dominant 7th chord on piano is made of the notes C, E, G and B♭. Bluesy and strong pull toward resolution. Foundation of blues and jazz.
Tap any key to hear it.
What notes are in C Dominant 7th?
4 notes, built 1 – 3 – 5 – ♭7 up from C.
- Notes
- C – E – G – B♭
- Formula
- 1 – 3 – 5 – ♭7
- Semitones from the root
- 0 – 4 – 7 – 10
- Symbol
- C7
- Chord type
- Dominant 7th, 4 notes
How to play C Dominant 7th on piano
- Right hand: C (1), E (2), G (3), B♭ (5). Fingers 1 – 2 – 3 – 5, thumb on C.
- Left hand: C (5), E (3), G (2), B♭ (1). Fingers 5 – 3 – 2 – 1, little finger on C.
Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.
C Dominant 7th inversions
Each inversion puts a different note of the chord in the bass. Written as a slash chord: C7/E, C7/G, C7/B♭.
Can you find C Dominant 7th?
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of C Dominant 7th (C7)
Score 0
Any octave, any order. Each key you tap plays.
What key is C Dominant 7th in?
The keys whose scale contains every note of C7, with the chord’s Roman numeral in each.
Major keys
- F majorV7
Minor keys
- F minorV7 (harmonic minor)
- D minorVII7
C Dominant 7th chord FAQ
What notes are in the C Dominant 7th chord?
C Dominant 7th (C7) has 4 notes: C, E, G and B♭. Its formula is 1 – 3 – 5 – ♭7, counted up from C.
How do you play C Dominant 7th on the piano?
Put your right thumb on C and play C, E, G and B♭ with fingers 1 – 2 – 3 – 5. With the left hand, use fingers 5 – 3 – 2 – 1, little finger on C.
What are the inversions of C Dominant 7th?
1st inversion: E, G, B♭, C (C7/E). 2nd inversion: G, B♭, C, E (C7/G). 3rd inversion: B♭, C, E, G (C7/B♭).
What key is C Dominant 7th in?
C7 belongs to F major (V7) and D minor (VII7).