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C7 chord

C dominant 7th

C
E
G
Bb
C5

Want it in context? Open C7 on the full piano.

Notes

  • C
    R
  • E
    3
  • G
    5
  • Bb
    b7

Formula: R – 3 – 5 – b7

C7 inversions

The same notes, with a different note in the bass.

Root position C7

C
E
G
Bb
C5

1st inversion C7/E

C4
E
G
Bb
C

2nd inversion C7/G

C4
G
Bb
C
E

3rd inversion C7/Bb

C4
Bb
C
E
G

FAQ

What notes are in the C7 chord?

The C dominant 7th chord (C7) has 4 notes: C, E, G and Bb.

How do you play C7 on the piano?

Put your right hand on C, E, G and Bb, starting from C. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).

What is the formula of a dominant 7th chord?

R – 3 – 5 – b7 (in semitones from the root: 0, 4, 7, 10).