The happiest chord progression ever

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See also the saddest chord progression ever.

We think of descending melodies and chord progressions as being sad. But the happiest song of all time also has a descending progression: “I Want You Back” by the Jackson 5.

This recording was made just after Michael’s eleventh birthday. I do not approve of child labor, and making a prepubescent boy sing all these songs about romantic love ended up having some grim long-term psychological consequences. But god, what a performance.

Like all early Jackson 5 songs, “I Want You Back” was written by “The Corporation,” Berry Gordy’s team of professional songwriters at Motown. The backing track was performed by ace jazz-trained session musicians. Here’s Wilton Felder’s isolated bass part:

The YouTube video shows a picture of a saxophonist because Felder played that instrument in the Jazz Crusaders. He also played bass on records by Marvin Gaye, Grant Green, Seals and Crofts, Billy Joel, John Cale, Randy Newman, Joan Baez, and Joni Mitchell.

Here’s my transcription of the bassline and the chords. There are lots of little figures in here that seem like ornaments, but Felder plays them the same way every time, meaning that he considered them to be integral to the melody.

The chords are not nearly as complicated as they look. They’re all derived from the A-flat major scale, using a simple formula that I’ve represented with the graphic below.

A-flat major scale chords

To make a chord, you start on a scale note, for example, A-flat. You skip a scale degree to land on C. Then you skip another scale degree to land on E-flat. That makes an A-flat chord. To make a B-flat chord, you start on B-flat, skip a scale degree to land on D-flat, and skip another one to land on F. You can build chords from any degree of the scale this way. The ones with purple roots are major, and the ones with green roots are minor (except for the seventh G, which is half diminished, you don’t care.) “I Want You Back” uses chords built on all the notes of the scale except for the seventh. The whole song just jumps around this harmonized version of the A-flat major scale.

The useful thing about the major scale is that all the chords it generates sound good in any order and any combination. That said, not every combination and sequence is equally satisfying. To understand why “I Want You Back” is so cool, it helps to see the scale written on the circle of fifths–intriguingly, when written this way, the notes in the major scale are all grouped consecutively.

A-flat major scale on the circle of fifths

Western listeners hear things that are close together on the circle of fifths as being related to each other. We especially like it when chord roots go sequentially around the circle of fifths. In classical music, they usually go counterclockwise; in pop, they can go either way. When you look at the chords in “I Want You Back,” there’s a lot of circle of fifths root movement, in both directions. This kind of classically functional harmony is unusual in black music, and I’m wondering if Berry Gordy’s team chose it specifically so that the song would appeal to white people.

The third and fourth bars of each section have a particularly gratifying Bach-like harmonic logic to them–it’s the part underneath “won’t you please let me back in your heart.” The chords here are changing every quarter note, which is an unusually fast harmonic rhythm for a pop song. The chord progression is Fm-Cm-Db-Ab, Bbm7-Eb7-Ab. The overall root motion is downward, but with lots of jumping around. When you step through these chords in pairs, they show all kinds of fascinating structure:

  • Fm-Cm: a plagal cadence in C minor
  • Cm-Db: the root moves up a half-step, which has a cadence-like feeling
  • Db-Ab: a plagal cadence in A-flat major
  • Ab-Bbm: the root goes up a whole step, which is sort of a backwards plagal cadence in A-flat major
  • Bbm-Eb7: a v-I “cadence” in E-flat Mixolydian
  • Eb7-Ab: a classical-style authentic cadence in A-flat major

If the chords aren’t as complicated than they seem, the rhythm is more complicated than it seems. “I Want You Back” is a really tough groove to get right. To understand why, you need to know what syncopation is. You can subdivide a measure of 4/4 time in half, then in half again, then again, and so on, like so:

Radial syncopation

The more finely you subdivide the bar, the more complicated your rhythms can be. Beats that fall on the more coarse-grained divisions are felt as “stronger,” while beats on the finer subdivisions are “weaker.” Syncopation is the effect of unexpectedly accenting the weak beats. The more times you have to divide the bar in half to get to a given beat, the weaker it is, and the weaker the beats are that you’re accenting, the more complex the rhythm is. “I Want You Back” is full of accents on the weakest beats.

The effect of syncopation is especially pronounced when you accent a weak beat that’s very close to one of the strongest beats, especially the downbeat, the strongest beat of them all. At the end of the very first bar of the bassline, there’s an accent on the last sixteenth note of the bar, which is very close to the following downbeat and thus an ear-grabbing surprise. All the way around, this groove is so solid that it works fine if you replace all the notes with A-flat. Try it!

Classical music usually does rhythmic complexity by changing the underlying meter and phrase length a lot, but playing predictable beats within that changing framework. African-American vernacular music usually keeps the underlying meter the same over the entire duration of a song, and uses syncopation to keep things sounding interesting. Most listeners in the past hundred years have come to prefer the African-American strategy because it’s friendlier to audience participation. No matter how complicated a funk groove is, there’s the very predictable 4/4 underlying it, and even untrained listeners can follow along. If the meter is changing all the time, there’s no way to predict or follow it unless you have the piece memorized or are reading along in the score.

So, why is “I Want You Back” so joyful? Functional major-scale harmony usually reads as happy. Uptempo funk absolutely reads as happy. The overall emotion comes from the interaction of both those components, along with the arrangement and the raw exuberance of everyone’s performance, from Michael on down. Change one aspect of the song and the whole mood changes. For example, Janelle Monáe’s cover is only slightly little slower and more relaxed than the original, but its mood is totally different.

This is still happy, but it’s more wistful and abstract, less jump-out-of-your-chair exuberant. Janelle Monáe feels like she’s holding something bacl. The Jacksons leave everything they have in the recording booth, and that comes across.

2 thoughts on “The happiest chord progression ever

  1. Thank you.

    I love the confidence in the first couple of bars of the baseline – it’s mostly empty space! That gap of silence after the Ab just defines the entire baseline, and he’s not playing anything in it :). It forces you to “fill in” the groove in your head, amplifying it’s effect quite nicely.. funk bass loves to do this, give the track space and let you dance with a bit of freedom. Funk bass was genius in creating interesting lines with apparent simplicity. It’s so hard to do.

    Still learning the piano, the first two chords I like how you can just shift you hand to the left with the same fingering position (the fm to the cm), and the same with the next two chords, just shift from the Db to the Ab with the same fingering, just like going from D to A usually. This is why I love piano after switching from strings, only piano lays out the notes right in front of you so you can really see whats happening, if you play these chords on guitar you have no real idea of the chord structure like this (well, not as clearly). I must say, to me, when i play slowly, it sounds quite a sad progression.

    I agree on the cover version you posted. She made a huge mistake covering this song, as MJ just made it so no one could !! MJ sang it like he REALLY did ‘want you back’. I don’t know much about Monae but she really lacks (in this song at least) the emotion in her voice for this song, she sounds quite cold and distant for such a emotionally visceral song.

    • This is all eloquently said and I could not agree more.

      Janelle Monáe is one of the brightest talents in contemporary R&B, and this track doesn’t show her to her best advantage. Check out her song “Tightrope” to hear what she’s really about.

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