Mandolin · key of G major

Chords in the key of G major

The seven chords in the key of G major are G, Am, Bm, C, D, Em and F♯dim. G, C and D are the major chords (I, IV and V), Am, Bm and Em are the minor chords (ii, iii and vi), and F♯dim is diminished (vii°). Its relative minor is E minor, which uses the same seven chords.

The chords of G major
NumeralTriadNotesSeventh chordNotesNumberRole
IGhomeG B DGmaj7homeG B D F♯1tonic
iiAmrestlessA C EAm7restlessA C E G2msupertonic
iiiBmhalf-lightB D F♯Bm7half-lightB D F♯ A3mmediant
IVCthe doorC E GCmaj7the doorC E G B4subdominant
VDthe pullD F♯ AD7the pullD F♯ A C5dominant
viEmthe shadowE G BEm7the shadowE G B D6msubmediant
vii°F♯dimthe edgeF♯ A CF♯m7♭5the edgeF♯ A C E7°leading tone

Strum or arpeggiate any chord, tap a note to hear it, drag the strip under a picture to play it further up the neck, or pick another inversion. Library opens the chord there, with every other way to play it.

G

LibraryMandolin · Standard

I · tonic

GDAE3RnoteGDBGroleR53Rfret0023frets 2–3C3C4C5C6C7

Am

LibraryMandolin · Standard

ii · supertonic

GDAER5♭3noteAECEroleR5♭35fret2230frets 2–3C3C4C5C6C7

Bm

LibraryMandolin · Standard

iii · mediant

GDAERR5noteBDBF♯roleR♭3R5fret4022frets 2–4C3C4C5C6C7

C

LibraryMandolin · Standard

IV · subdominant

GDAE3RnoteGECErole53R3fret0230frets 2–3C3C4C5C6C7

D

LibraryMandolin · Standard

V · dominant

GDAE53noteADAF♯role5R53fret2002fret 2C3C4C5C6C7

Em

LibraryMandolin · Standard

vi · submediant

GDAER5noteGEBErole♭3R5Rfret0220fret 2C3C4C5C6C7

F♯dim

LibraryMandolin · Standard

vii° · leading tone

GDAE♭3R♭5RnoteAF♯CF♯role♭3R♭5Rfret2432frets 2–4C3C4C5C6C7

Chord progressions in G major

Press a chord to hear it and see its shape, or Play to hear the progression on mandolin. The colours say what each chord does in the key.

Tempo85

↓ · ↓ ↑ · ↑ ↓ ↑ · Down, down-up, up-down-up: the campfire strum, also called the calypso strum.

Colours

homethe pullthe doorthe shadowrestlesshalf-light

What each chord does in its key. Press a chord to hear it and read more.

The three-chord trick

I | IV | V | I

Chord chart

The chords of countless folk, country, blues and rock and roll songs.

The pop progression

I | V | vi | IV

Chord chart

I–V–vi–IV, behind a great many hits since the 1980s.

The fifties progression

I | vi | IV | V

Chord chart

I–vi–IV–V, the doo-wop changes.

The pop progression from its minor chord

vi | IV | I | V

Chord chart

vi–IV–I–V: the pop progression started on its minor chord, which gives it a sadder sound.

The royal road

IV | V | iii | vi

Chord chart

IV–V–iii–vi, a favourite of Japanese pop.

ii–V–I

ii7 | V7 | Imaj7 | Imaj7

Chord chart

The turnaround of jazz, in seventh chords.

The relative minor: E minor

E minor has the same notes and the same seven chords as G major, starting from E. A song in one often moves to the other. The parallel minor, G minor, starts on the same note with a different set of chords.

Other ways to play it with a capo

G major is one of the easy keys on mandolin, with open chords. A capo gives other shapes for the same sound:

  • Capo 5, the shapes of D major: D, Em, F♯m, G, A, Bm and C♯dim
  • Capo 7, the shapes of C major: C, Dm, Em, F, G, Am and Bdim

The G major scale and key signature

The notes of G major are G, A, B, C, D, E, F♯. Its key signature has one sharp: F♯. Each chord of the key is built from these notes, a third apart: a chord on every note of the scale. See the G major scale on the mandolin neck, and the G major pentatonic.

Keys nearby

On the circle of fifths, D major and C major sit on either side of G major. Each shares six of its seven notes, which makes them the easiest keys to change to.

Every key

CD♭DE♭EFF♯GA♭AB♭B

C minorC♯ minorD minorE♭ minorE minorF minorF♯ minorG minorG♯ minorA minorB♭ minorB minor

All twenty-four on one page: chords in every key. To print these chords, open them as a chord chart, or make your own in the chord chart maker. This key on guitar, bass, ukulele and banjo.