C7
Sevenths · C root
C7
Tense and driving. Creates the strongest pull toward the tonic.
0 st4 st7 st10 st
Notes in C7
CRoot
E3rd
G5th
A#7th
C is the natural starting point — no sharps or flats. The clearest key to hear chord quality in isolation.
Identify the Chord Quality on C
Each chord below is played on C. Listen and identify whether you heard C7, Cm, C7, or another quality — the hardest and most useful ear training skill.
Dominant 7th in All 12 Keys
Other Chords in C
Related Sevenths
About the C7 Chord
The C7 chord is a dominant 7th chord built on C. It contains the notes C, E, G, A# — the root, third, fifth, and seventh.
Tense and driving. Creates the strongest pull toward the tonic. Practising the C7 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.