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G7 Chord: Guitar, Piano and Notes

The G7 chord is a dominant seventh chord built on the root note G. Its notes are G, B, D and F.

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Short answer

Dominant seventh chords sound tense and bluesy. The minor seventh on top of a major triad creates a pull toward a resolution, which is why this chord powers the blues and drives cadences in jazz and pop.

Notes
G · B · D · F
Formula
1 · 3 · 5 · ♭7
Semitones
0 · 4 · 7 · 10
Note
G
Quality
Dominant 7
Symbol
G7

G7 on piano

4 notes
View:
Piano diagram of the G7 chord

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.

To play G7 on piano, place your right hand with your thumb on G, index finger on B, middle finger on D and little finger on F. Press the keys together and listen for an even sound. On the keyboard every note of G7 is a white key. Practice moving in and out of the chord slowly, then bring in a metronome.

  • G1
  • B3
  • D5
  • F♭7

G7 on guitar

View:
Guitar chord diagram of the G7 chord

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.

On guitar, G7 is commonly played with the voicing shown above. The fretted notes sit between frets 1 and 3. Strings 4, 3 and 2 ring open.

G · B · D · F

Try G7 on the virtual piano

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G7 chord notes

DegreeIntervalSemitonesNoteHear
1Root0G
3Major third4B
5Perfect fifth7D
♭7Minor seventh10F

How to use the G7 chord

The G7 chord is built from a root, a major third, a perfect fifth and a minor seventh. Start at the root G and stack the intervals to get the whole chord: G, B, D and F. The same formula gives you the chord in any other key.

Blues, jazz, funk and rock'n'roll all run on dominant seventh chords. They typically act as the V7 resolving back to the tonic, or carry a twelve-bar blues from end to end.

In major keys G7 is the V7 in C major; in minor keys it's the VII7 in A minor and the V7 in C minor. As the V7 of C minor it takes its third, B, from the harmonic minor scale: the key's seventh degree, raised a half step.

How G7 differs from similar chords

G7 and Gmaj7 look alike on paper and sound opposite: the seventh of G7 is a whole step below the octave, the seventh of Gmaj7 only a half step. That minor seventh forms a tritone with the major third, the interval that makes G7 want to move on. Gmaj7 has no tritone, so it can rest.

Songs that use the G7 chord

These well-known tracks all play the G7 chord somewhere - they are not necessarily in that key.

  1. 1
    Lady Madonna
    The Beatles
  2. 2
    Mustang Sally
    Wilson Pickett
  3. 3
    Johnny B. Goode
    Chuck Berry
  4. 4
    La Grange
    ZZ Top
  5. 5
    Sweet Home Chicago
    Robert Johnson

Where G7 is used

A dominant chord wants to resolve. Its home is the V of a major key - and the I of a blues, where the pull never lets up.

As the VC major
  1. ii7Dm7
  2. V7G7
  3. Imaj7Cmaj7

G7 is the chord that wants to resolve, so ending the loop on it hands straight back to the top.

As the I of a bluesG major
  1. I7G7
  2. IV7C7
  3. I7G7
  4. V7D7

The twelve-bar shape boiled down. The tonic is itself a dominant seventh, which is what makes it a blues.

As the V of a turnaroundC major
  1. Imaj7Cmaj7
  2. vi7Am7
  3. ii7Dm7
  4. V7G7

The turnaround at the end of a chorus: G7 is the chord that sends it round again.

Questions people ask

What notes are in the G7 chord?
The G7 chord contains G, B, D and F.
Is the G7 chord major or minor?
G7 is a dominant seventh chord. Dominant seventh chords sound tense and bluesy. The minor seventh on top of a major triad creates a pull toward a resolution, which is why this chord powers the blues and drives cadences in jazz and pop.
What key is the G7 chord in?
In major keys G7 is the V7 in C major; in minor keys it's the VII7 in A minor and the V7 in C minor. As the V7 of C minor it takes its third, B, from the harmonic minor scale: the key's seventh degree, raised a half step.
How do you play G7 on piano?
Place your fingers on G, B, D and F and play them together. The root usually goes to the little finger of the left hand, the upper notes to the right. On the keyboard every note of G7 is a white key.
How do you play G7 on guitar?
Use the fingering in the diagram above. The fretted notes sit between frets 1 and 3. Strings 4, 3 and 2 ring open.
What chords work well with G7?
G7 pairs naturally with the chords in the related section: a perfect fifth up or down, the relative major or minor, and anything sharing two notes with it.