The three-chord trick
I | IV | V | I
I, IV and V: the three major chords of a key, enough for countless folk, country, rock and roll and blues songs.
108 chord progressions, from the ones behind most songs to blues, jazz, film, country, rock, pop, R&B, happy and sad ones, each written in numerals so it works in any key. Search or filter them, pick a key, press Play to hear one on banjo with the pattern you choose, and press any chord to hear it on its own.
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What each chord does in its key. Press a chord to hear it and read more.I | IV | V | I
I, IV and V: the three major chords of a key, enough for countless folk, country, rock and roll and blues songs.
I | V | vi | IV
I–V–vi–IV, sometimes called the axis progression: the four chords behind a great many pop songs since the 1980s.
I | vi | IV | V
I–vi–IV–V, the doo-wop changes, heard all through the late 1950s and early 1960s.
vi | IV | I | V
vi–IV–I–V: the same four chords as the pop progression, started on the minor chord, for a more wistful sound.
ii7 | V7 | Imaj7 | Imaj7
The cadence at the heart of jazz: each chord a fifth above the next, pulling home to the tonic.
I7 | I7 | I7 | I7 | IV7 | IV7 | I7 | I7 | V7 | IV7 | I7 | V7
Twelve bars of I, IV and V, usually as dominant sevenths: the form of the blues, and of a great deal of rock and roll.
i | VII | VI | V
Four chords stepping down to a major fifth chord, from flamenco, and heard in a great many rock songs.
i | VI | III | VII
i–VI–III–VII: the sound of film scores and power ballads.
I V | vi iii | IV I | IV V
I–V–vi–iii–IV–I–IV–V, the chords of Pachelbel’s Canon in D, which have turned up in songs ever since.
IV | V | iii | vi
IV–V–iii–vi, a favourite of Japanese pop.
vi | ii | V | I
vi–ii–V–I: each chord a fifth above the next, round the circle of fifths to the tonic.
I | IV | I | I
I–IV–I, the “amen” cadence that ends hymns, gentler than a cadence through V.
I | V | IV | IV
I, V and IV with the last two bars on IV: an open, unresolved loop heard in rock, folk and pop.
I | ♭VII | IV | I
The major chord a step below home, borrowed from the mixolydian mode: the sound of classic and country rock.
I | iii | IV | V
Up through iii and IV to the pull of V: a progression that builds towards a chorus.
IV | I | V | vi
The four pop chords started on IV: it floats before it lands.
I | vi | ii | V
I–vi–ii–V: the fifties progression with ii in place of IV, bouncing back to the top.
i | VII | VI | VII
Rocking between the minor tonic and the major chords below it: from folk to hard rock.
I7 | IV7 | I7 | I7 | IV7 | IV7 | I7 | I7 | V7 | IV7 | I7 | V7
The same, with IV in the second bar: a quick visit to IV before settling on I.
i7 | i7 | i7 | i7 | iv7 | iv7 | i7 | i7 | VI7 | V7 | i7 | V7
The blues in a minor key: minor sevenths on i and iv, and the ♭VI7 stepping down to V7.
I7 | V7 | IV7 | IV7 | I7 | V7 | I7 | V7
A shorter blues form of eight bars, common in gospel-tinged blues.
I7 | I7 | I7 | I7 | IV7 | IV7 | I7 | I7 | V7 | IV7 | I7 IV7 | I7 V7
The 12 bar blues with a two-bar turnaround, I–IV then I–V, that pushes back to the top.
I | I | I | I | IV | IV | I | I | V | IV | I | V
The same form with plain major chords: the rock and roll version.
i7 | iv7 | i7 | i7 | iv7 | iv7 | i7 | i7 | V7 | iv7 | i7 | V7
A minor blues with iv in the second bar and V7 in the turnaround.
I7 | I7 | I7 | I7 | I7 | I7 | I7 | I7 | IV7 | IV7 | I7 | I7 | V7 | IV7 | I7 | V7
The 12 bar blues with eight bars on I at the start instead of four: room for a longer verse.
I7 | I7 | IV7 | IV7 | I7 | V7 | I7 | V7
Another eight-bar blues: two bars of I, two of IV, then I and V twice.
I7 IV7 | I7 V7
The last two bars of a blues on their own: I–IV, I–V, the move that sends the form round again.
iiø7 | V7 | i6 | i6
The minor version: a half-diminished ii, a dominant V7 from the harmonic minor, and a minor sixth tonic.
Imaj7 | vi7 | ii7 | V7
Played at the end of a tune to lead back to its start, and as the A section of countless standards.
iii7 | vi7 | ii7 | V7
A longer turnaround, a fifth at each step, landing on I.
Imaj7 | VI7 | ii7 | V7
The vi chord turned into VI7, a dominant that pulls harder to ii, as in rhythm changes.
iv7 | ♭VII7 | Imaj7 | Imaj7
Home from the other side: iv7 and ♭VII7, borrowed from the minor key, resolving to I.
I7 | IV7 | I7 | v7 I7 | IV7 | ♯iv°7 | I7 | VI7 | ii7 | V7 | I7 VI7 | ii7 V7
The 12 bar blues with jazz chords: a ii–V into IV, a passing diminished chord, and ii–V turnarounds.
Imaj7 vi7 | ii7 V7 | Imaj7 vi7 | ii7 V7 | Imaj7 I7 | IV7 iv7 | Imaj7 V7 | Imaj7
Turnarounds two chords to a bar, then I7 to IV and the minor iv: the A section of countless bebop tunes.
ii7 | ♭II7 | Imaj7 | Imaj7
V7 replaced by the dominant a tritone away, ♭II7, which shares its tritone and slides down a half step to I.
i7 | VI7 | iiø7 | V7
The I–vi–ii–V of a minor key: minor tonic, a dominant on ♭VI, half-diminished ii and V7.
iii7 | VI7 | ii7 | V7
A turnaround with a dominant on VI, each chord pulling down a fifth to the next.
Imaj7 | Imaj7 | II7 | II7 | ii7 | V7 | Imaj7 | Imaj7
A dominant on the second degree, a step above home, then the ii–V back: the bright lift of bossa nova.
i7 | i7 | i7 | i7 | ♭ii7 | ♭ii7 | i7 | i7
One minor seventh for bars on end, then the same chord a half step higher: modal jazz, where the scale matters more than the changes.
ii7 | V7 | Imaj7 | IVmaj7 | viiø7 | III7 | vi7 | vi7
Every chord of the key, each a fifth from the last, landing on the relative minor: the cycle many standards are built on.
i | iv | v | i
Three minor chords, the minor key’s own three-chord trick: dark, with no major chord to lift it.
I | IV | iv | I
The minor iv: a major key borrowing the iv chord from its minor key. The one note that falls, a half step, is a famously bittersweet sound.
i | VI | iv | V
A minor progression whose major V pulls hard back to the minor tonic each time round.
I | iii | vi | IV
Two minor chords in the middle of a major progression, for a gentle, melancholy sound.
vi | V | IV | V
Stepping down from the minor vi and back, never landing on the tonic: restless and sad.
i | iv | VII | III
A minor loop that turns towards the relative major, with a little hope in its last chord.
i | iv | i | iv
Two minor chords, back and forth: heavy, still and dark.
IV | V | vi | vi
V leads the ear to expect I, and vi arrives instead: hope, then disappointment.
i | v | VI | iv
A minor loop with a minor v that never pulls home: wistful, drifting.
i | iv | VI | V
Down to iv, up to the broad VI, then the major V pulling back to the minor tonic: dramatic and sad.
I | iii | IV | iv
Climbing to IV, then the minor iv: the bittersweet turn at the end of a phrase.
vi | iii | IV | I
Two minor chords before the major ones: a reflective loop that lands softly.
i | VI | VII | i
Up through the two major chords below the tonic and home again: a build that lands with force, made for a theme’s first statement.
I | I | ♭VI ♭VII | I
♭VI and ♭VII, borrowed from the minor key, marching up to the tonic: the fanfare of the moment the hero wins.
I | ♭VI | I | ♭VI
Two major chords a major third apart, sharing one note: a shift that sounds like magic, wonder and wide open space.
I | III | IV | iv
The major III lifts out of the key, then IV turns minor: wonder, then a lump in the throat.
i | IV | i | IV
A minor tonic with a major IV, the Dorian mode’s colour: mysterious but hopeful, for journeys and quests.
i | iv | V | I
A minor progression that ends on the major tonic, the Picardy third: light breaking through at the very end.
i | vi | i | vi
A minor chord falling to the minor chord a major third below and back: dark and imperial, the sound of a villain’s march.
I | II | I | II
The major chord a step above home, from the Lydian mode: weightless, the sound of flying.
i | ♭II | V | i
The major chord a half step above the minor tonic, then V: old, dramatic and tragic.
i | ♭II | i | ♭II
A minor chord and the major chord a half step above, over and over: suspense, danger, something approaching.
I | i | I | i
The tonic turning from major to minor and back: the same place, seen in light and in shadow.
VI | VII | i | i
Up from VI and VII to arrive on the minor tonic and stay there: the climb into the last chord of a trailer.
I | ♭III | I | ♭III
A major chord and the major chord a minor third above: distant, strange and wide, a favourite of science fiction.
I | I | IV | IV | I | I | V7 | V7
Two bars on each chord, with V7 to turn round to the top: the shape of countless country verses.
I | IV | I V | I
I to IV and home, with a quick V before the last bar: the progression jam sessions start from.
I | VI7 | II7 | V7
Dominant sevenths round the circle of fifths back to I, from ragtime into western swing and country picking.
I | I7 | IV | I
I turns into I7 on its way to IV, the move of country gospel and church songs.
I | I | V7 | V7 | I | I | V7 | I
Just I and V7: enough for many old country and folk songs.
I | I7 | IV | IV | V7 | V7 | I | I
I7 leading to IV, then V7 home: the barroom sound of honky-tonk.
I | III7 | VI7 | II7 V7
Dominant sevenths from III all the way round the circle to I: the swing of western and ragtime country.
I | I | IV | I | I | V | V | I
A slow progression in three: choose a waltz pattern above to hear it as a country waltz.
i | VII | i | VII
A minor chord and the major chord a step below it: the modal sound of old-time and bluegrass fiddle tunes.
I | ii | V | I
Home, through the minor ii and the pull of V, and home again: a gentle country and folk cadence.
I | IV | V | IV
I, IV, V and back to IV: the three chords of rock and roll, turned into a riff that goes round and round.
I5 | ♭VII5 | IV5 | I5
Power chords, roots and fifths with no third, on I, ♭VII and IV: the riff shape of hard rock.
i | III | VII | IV
A minor key with a major IV, the Dorian colour: moody, but with a lift.
I | ♭VI | ♭VII | I
Up from ♭VI through ♭VII to the tonic: the big stadium ending.
I | ♭III | IV | I
A major key with the ♭III chord borrowed from the blues scale: the swagger of blues rock.
I5 | V5 | vi5 | IV5
The four chords of pop as power chords, fast and loud: the pop-punk progression.
I | IV | I | IV
Two chords a fourth apart, back and forth: the simplest rock riff of all.
i5 | III5 | IV5 | i5
Power chords on i, ♭III and IV: a riff shape behind a great deal of hard rock.
i5 | VI5 | VII5 | i5
Power chords stepping up from ♭VI through ♭VII to the minor tonic: the climb of heavy metal.
i5 | ♭II5 | i5 | ♭II5
The minor tonic and the chord a half step above it, as power chords: the dark sound of metal.
I | IV | vi | V
Another order of the same four chords, with the minor chord in the middle: bright, with a moment of feeling.
IVmaj7 | V7 | iii7 | vi7
IV–V–iii–vi with sevenths, the favourite of Japanese pop and anime themes.
I | Vsus4 V | vi | IV
The pop progression with a sus4 that resolves inside the fifth chord: a little tension, then release.
I | IV | I | V
I to IV and back, then V: the bright, simple shape of pop for all ages.
I | V | IV | V
I and V either side of IV: a driving pop-rock loop.
I | ii | iii | IV
Up the scale chord by chord, each a step higher: hopeful and rising.
IV | V | I | I
IV and V leading home to I: the happiest arrival in music.
I | III | IV | I
The major III, sharper than the key’s own iii, lifts the progression: joyful and a little surprising.
I | II | IV | I
The major II, a step above home, from the Lydian mode: bright and full of wonder.
I | Isus4 I | IV | V
A sus4 that bounces back to the major chord: playful and bright.
I | VI7 | ii | V
A dominant on VI, bright and cheeky, leading round to the ii–V.
I | II7 | IV | I
A dominant on the second degree, then IV: bright, a little surprising, sixties pop.
ii9 | V9 | Imaj7 | Imaj7
The jazz ii–V–I with ninths and a major seventh: smooth and warm, the base of neo soul.
VImaj7 | V7 | i7 | i7
♭VImaj7 sliding down a half step to V7 and home to the minor seventh: the R&B progression above all others.
i9 | IV9 | i9 | IV9
A minor ninth and a dominant ninth a fourth above, back and forth: the vamp of funk and soul.
Imaj7 | IVmaj7 | Imaj7 | IVmaj7
Two major sevenths rocking back and forth: dreamy and relaxed, for slow jams and lofi.
I | I7 | IV | iv
I7 leading to IV, then IV turning minor: the gospel move that R&B singers love.
i7 | iv7 | i7 | iv7
Two minor sevenths a fourth apart: the slow groove of soul and R&B.
IVmaj7 | iii7 | ii7 | Imaj7
Down the scale in seventh chords from IV to I: smooth and warm.
Imaj7 | iii7 | vi7 | ii7 V7
Down a fifth at each step, from the major seventh tonic round to V7: the shape of a soul ballad.
ii7 | iii7 | IVmaj7 | V7
Up the scale in sevenths, ii to V: hopeful, lifting into the next section.
i9 | VImaj7 | i9 | VImaj7
A minor ninth and the major seventh on ♭VI, swaying back and forth: dreamy and dark.
IVmaj7 | ♭VII7 | Imaj7 | Imaj7
IVmaj7 to ♭VII7 and home, the backdoor of jazz in an R&B groove.
No progression matches.
A chord progression is the order of the chords in a song. It is written in numerals so it can be played in any key: the numeral is the degree of the scale the chord is built on, upper case for major chords and lower case for minor. In C major, I is C, IV is F, V is G and vi is Am; in G major, the same I–IV–V–vi is G, C, D and Em.
Because they work. The pull from V back to I, and from IV to I, is the strongest in Western music, and a few orders of the same handful of chords cover a great many songs. Learning these progressions in numerals teaches the shape of most songs at once.
The 12 bar blues, jazz chord progressions, sad chord progressions, and the Nashville number system for writing them down. For the seven chords of any key, see chords in every key.