Guitar UpscaleC7 chord on guitar
The C dominant 7th chord, written C7, has 4 notes: C E G Bb.
As tab, thick low E string first: x32310, x35353, 875556. Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one.
| Notes | C E G Bb |
|---|---|
| Formula | 1 3 5 b7 |
| Intervals | Root, Major 3rd, Perfect 5th, Minor 7th |
About the Dominant 7th Chord
A dominant 7th chord adds the flat seventh to a major triad. It drives back to the home chord and is the base of the blues. More about the Dominant 7th Chord.
Keys with C7
These keys have C7 among their chords:
- F Major Scale (V)
- D Natural Minor scale (bVII)
Scales to play over C7
Each of these scales holds every note of the chord: