C7 chord on Piano, Guitar, and Ukulele | Musicca

The C dominant seventh chord (abbreviated "C7 chord") is a four-note chord consisting of the notes C, E, G, and B♭. The chord is formed by adding a minor seventh to a C major chord.

Name

C dominant seventh chord

Synonym

C major-minor seventh chord

Notes

C E G B♭

Intervals

1 3 5 ♭7

Chord symbol

C⁷

Type

tetrad (four-note chord)

C7 chord on piano

C7 chord on guitar

C7 chord on ukulele

C7 chord on the staff