G7 chord on guitar

The G dominant 7th chord, written G7, has 4 notes: G B D F.

G7○○○321
320001
G7131211
353433

As tab, thick low E string first: 320001, 353433. Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one.

NotesG B D F
Formula1 3 5 b7
IntervalsRoot, 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 G7

These keys have G7 among their chords:

Scales to play over G7

Each of these scales holds every note of the chord:

Dominant 7th Chord in other keys