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C7 Chord on Piano

C7 C E G B♭ Formula 1 3 5 b7 4 notes

Open C7 in the studio
Notes

What notes are in the C7 chord?

The C7 chord has 4 notes: C, E, G, B♭. It is the major triad with a minor seventh on top (10 half steps above C): the dominant chord that pulls towards a key a fifth below.

NoteInterval from the rootHalf steps
CRoot0
EMajor 3rd4
GPerfect 5th7
B♭Minor 7th10
Inversions and fingering

Every way to play C7

The same notes in a different order. The lowest note changes the name after the slash; the fingering below is the usual one - right hand from the lowest key up, left hand from the lowest key up too.

Root position C7

C7 chord, root position: C E G B♭CEGB♭

C – E – G – B♭

Right hand 1-2-3-5Left hand 5-3-2-1

1st inversion C7/E

C7 chord, 1st inversion: E G B♭ CEGCB♭

E – G – B♭ – C

Right hand 1-2-3-5Left hand 5-4-2-1

2nd inversion C7/G

C7 chord, 2nd inversion: G B♭ C EGCEB♭

G – B♭ – C – E

Right hand 1-2-3-5Left hand 5-3-2-1

3rd inversion C7/B♭

C7 chord, 3rd inversion: B♭ C E GCEGB♭

B♭ – C – E – G

Right hand 1-2-3-5Left hand 5-3-2-1

Where it lives

Keys and scales with C7

Every key where C7 is one of the seven chords, with its Roman numeral, and the scales whose notes include all of it - the ones to improvise over it.

In these keys

Scales that contain all its notes

Questions

Frequently asked

What notes are in the C7 chord?

The C7 chord (C7) is made of C, E, G, B♭. Its formula is 1 3 5 b7 - the root, then the intervals of a dominant 7th chord.

How do you play C7 on the piano?

Put your right thumb on C and play the other notes with fingers 1-2-3-5. With the left hand, use fingers 5-3-2-1 from the lowest key up.

What are the inversions of C7?

root position C7 (C E G B♭); 1st inversion C7/E (E G B♭ C); 2nd inversion C7/G (G B♭ C E); 3rd inversion C7/B♭ (B♭ C E G).

Play it for real

Hold C7 and build a progression on it

The GOONS piano studio has up to 88 keys, real piano samples, MIDI keyboard support, chord pads in any key and a sequencer. It comes with the GOONS Studio subscription - start with the 7-day free trial, no card required.