The 1-5-6-4 Chord Progression: Why So Many Hits Use It

The 1-5-6-4 chord progression is the first, fifth, sixth and fourth chords of a major key played as a loop: I, V, vi, IV, which in C major is C, G, Am, F. So many hits use it because those four chords give a song a home, a pull away, a sad turn and a lift in four bars, and the loop never lands hard enough to sound like an ending, so it can go round for a whole chorus without wearing thin. Start the same loop on the minor chord (vi, IV, I, V, or Am, F, C, G) and you get its moodier twin, the loop under “Zombie” and “Despacito”.

What is the 1 5 6 4 chord progression?

The numbers count up the major scale. In C major the scale is C D E F G A B, so 1 is C, 5 is G, 6 is A and 4 is F. Build a three-note chord on each of those notes, using only notes from the scale, and you get:

Writing chords as Roman numerals, uppercase for major and lowercase for minor, is called Roman numeral analysis. It is why a band can agree on “one, five, six, four” and play it in whatever key suits the singer. The 6 is lowercase because the chord built on the sixth note of any major scale comes out minor.

The loop goes by a few names. Theorists call it the Axis progression, after the Australian comedy band The Axis of Awesome, whose 2008 medley “Four Chords” sang a string of hits over it for laughs. Dan Bennett’s bass method book The Total Rock Bassist calls it the pop-punk progression, since pop-punk bands lean on it so often. Don’t mix it up with the ’50s or doo-wop progression, I-vi-IV-V (C, Am, F, G), which uses the same four chords in a different order and sounds like a slow dance at a sock hop.

Why 1 5 6 4 sounds good

Each chord has one job. In C major:

• I (C) is home. The loop opens settled.
• V (G) pulls away. G wants to return to C, mostly because its B sits a half step under C.
• vi (Am) is the swerve. Where your ear expects G to go home, it steps up to A minor, the move theory books call a deceptive cadence. Every note of G (G B D) rises one step to A C E, so the change is smooth, and the minor color turns the mood a shade sadder.
• IV (F) is the lift. F shares A and C with Am, so only E has to move (up to F). The major chord brightens things, then falls back to C with the IV to I move sung on the “amen” at the end of many hymns.

The loop never plays V straight into I, the strongest ending in Western harmony. The one time G could go home, it swerves to Am, and when C does come back it arrives gently from F. So the loop never sounds finished, which is what a chorus that repeats four times needs.

It also gives a melody an easy anchor. The note C sits inside three of the four chords (C, Am and F), so a tune can keep landing on C for three bars out of four while the harmony changes under it. Over the G bar, step down to B or D, both notes of the G chord.

And it holds two moods at once. C major and A minor, its relative minor, use the same seven notes, and the loop contains the home chord of each. Where the melody rests decides whether you hear happy or wistful. Music theorist Mark Richards wrote a whole paper on this, “Tonal Ambiguity in Popular Music’s Axis Progressions” (Music Theory Online, 2017).

Songs that use 1 5 6 4

Every song below is on Wikipedia’s I-V-vi-IV list, which only takes songs that play the loop at least four times in a row. The last column gives the chords in the song’s own key.

Bob Marley’s “No Woman, No Cry” is on the list too. The Beatles’ “Let It Be” uses the same four chords without looping them: each verse phrase opens C, G, Am, F, then heads home through C, G, F, C.

The songs still sound nothing alike, because the chords are only the floor plan. Melody, tempo, rhythm and sound build the house. “Zombie” pounds the loop out on distorted guitars, “Someone Like You” breaks each chord into a rolling piano pattern, and “Despacito” sets it over a reggaeton beat.

The vi-IV-I-V rotation (6 4 1 5)

Start the loop on its 6 chord and you get vi-IV-I-V: Am, F, C, G in C major. No chord is added or taken away, but the song now begins and restarts on a minor chord, so the whole thing leans wistful. Boston Globe columnist Marc Hirsh nicknamed this order the “sensitive female chord progression” in a December 2008 column. He first noticed it in 1998, when Sarah McLachlan’s “Building a Mystery” reminded him of Joan Osborne’s “One of Us”, and back then it seemed to belong to the singers of Lilith Fair.

You can also hear vi-IV-I-V as a minor-key loop. Counted from A minor, Am F C G is i-VI-III-VII, and a chart written in A minor would label it that way.

Every rotation uses the same four chords; only the starting chord changes:

A trick worth stealing: put the vi-IV-I-V order in your verse and the I-V-vi-IV order in your chorus. The chords stay the same, but the chorus now starts on the home chord, so the song seems to open up. To hear the difference, open the free online chord player, pick C major, and play “The pop four” and then “Minor start” from the progressions under the pads.

1 5 6 4 in every key

To find the loop in any major key, take the key’s own chord, add the major chords built on the fifth and fourth notes of its scale, and make the chord on the sixth note minor. Here it is in all twelve major keys, with the vi-IV-I-V order alongside:

Each key has its own page in chords in every key, with its 7th chords and playable progressions. C major keeps the whole loop on the white keys of a piano, G major gives guitarists four open chords, and D major is the key of “With or Without You”.

Gelato Chord takes the lookup out of it. Its seven chord keys always play I ii iii IV V vi vii° of the major key you pick, each labeled with its chord name, so 1-5-6-4 is always the first, fifth, sixth and fourth keys. Chords also move smoothly by default, each note taking the shortest way to the next chord, the same idea as the piano voicing below.

Playing 1 5 6 4 on piano

Put the root of each chord in your left hand (C, G, A, F) and keep your right hand as still as you can: G C E for C, G B D for G, A C E for Am, then A C F for F. The G holds through the first two chords, A and C hold through the last two, and no finger moves more than a whole step, even on the way back to C. In any other key, do the same: find the nearest notes of the next chord and slide to them.

Playing 1 5 6 4 on guitar

In G major the loop is G, D, Em, C, four open chords and the easiest version to learn first. A capo moves those shapes into other keys: at fret 2 they sound in A major (A, E, F#m, D), and at fret 4 in B major (B, F#, G#m, E), the key of “I’m Yours”. The C major shapes (C, G, Am, F) need an F, the first barre chord most players meet. If it buzzes, play the small F on the top four strings (xx3211), or stay with the G shapes and move the capo.