How To Use Chord Inversions (+Free MIDI Pack)

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  • Learn the music theory behind using chord inversions
  • See examples of common chord progressions featuring inverted chords
  • Download our free MIDI pack to jump start your own work with chord inversions!
Producer Hive Free MIDI Chord Pack

50 one-bar MIDI files, each containing a popular chord progression arranged in inversions. 22 major key area chord progressions + 28 minor key area chord progressions.

Grab The Pack!

What if I were to tell you that the quickest, most effective way to make your music sound professional can’t be found in a plugin bundle or a software instrument?

Not only that, but it’s totally free and probably doesn’t even require you to make any radical changes to the MIDI notes you already have on the piano roll.

In this article, we’ll explore the secret to writing smooth chord progressions: inversions. We will also examine some strong examples and throw in MIDI files for every example we offer along with some bonus files so that you can dive right into working with chord inversions in your own music.

To Invert Or Not To Invert

What Is An Inversion?

If you’ve arrived at this article ready to turn chords upside down, then chances are you already know how to build them upside up, but it won’t hurt to include a little bit of revision anyway.

Chords are named after their root note (the note above which thirds are stacked to build the chord) and classified further by their quality (major, minor, augmented, or diminished in the case of triads), the number of distinct pitches they contain, and, if applicable, their inversion.

When the root note and the bass note (the lowest note in the chord) are the same, the chord is in root position. A chord is inverted if its root note and bass note are not the same.

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Classifying Chord Inversions


Chord inversions are named based on the chord tone that replaces the root note as the bass note. Chords with the chordal third featured as the bass note are in first inversion, chords with the chordal fifth in the bass are in second inversion.

Seventh chords, by virtue of having a fourth chord tone, are written in third inversion when the chordal seventh is in the bass.

The three inversions of a C Major triad labeled with the figured bass notation.

When writing the names of chord inversions, it is common to use figured bass to denote the intervals that result from the specific inversion. The first inversion triad is notated with a 6 to denote the sixth between the chordal third and the inverted root. The second inversion triad is notated with a 4 to denote the fourth between the chordal fifth and the inverted root.

In the case of seventh chords, there are a few more numbers thrown in for the sake of specificity.

The four inversions of a C Dominant 7th triad labeled with figured bass notation.

The root position seventh chord is notated with a 7 to indicate the seventh between the bass note and the chordal seventh. The first inversion seventh chord is notated with a 6 and a 5 to indicate that, as with the first inversion triad, a sixth is formed between the bass note and the inverted root, but also that a fifth is formed between the bass note and the chordal 7th.

The second inversion seventh chord is notated with a 4 and a 3 to indicate the fourth between the bass note and the inverted root and the third between the bass note and the chordal seventh. Finally, the third inversion seventh chord is notated with a 4 and a 2 to indicate the fourth between the bass note and the chordal third and the second between the bass note and the inverted root of the chord.

The Root Of The Problem

Now that we have explored what a chord inversion is, what is the point of inverting chords in the first place? The answer has a lot to do with voice leading.

Voice leading describes the movements of individual notes within a chord progression. Writing harmonies with voice leading in mind requires us to think of chords less as discrete entities and more as temporary amalgamations of pitches that came from somewhere and are going somewhere else.

This lens allows us to build additional journeys and personalities into each harmonic sequence, whereas the exclusive use of root position chords prevents us from doing so. The personalities that might have been, the stories hidden in the relationships between chords, are a missed opportunity.

How To Use Chord Inversions

Let’s say you have chosen a four-chord progression. For the sake of convenience, let’s say you have chosen the same triads found in the images below: C, G, Am, and F. In the first image we have each triad spelled in root position, so the C triad is spelled C E G, G is spelled G B D, the A minor triad is spelled A C E, and the F triad is spelled F A C.

The opportunity we have missed in spelling the chords this way is in creating three separate and independent voices within the chords.

A four-chord progression of C, G, Am, and F all in root position.

We have movement from each chord to the next, but since each chord tone within each triad moves in the same direction by roughly the same amount, there is no sense of independence among the voices.

Giving this dull chord progression a little more character is as simple as finding the hidden lines within the chords, displacing chord tones by an octave wherever necessary to complete those lines, and ensuring that the voices move independently of one another.

Look For The Lines

With just a quick look at the spellings of the four chords, it becomes clear that there are shared pitches, as well as pitches located just one step (either a whole-step or a half-step) apart. The process of inverting chords allows us to connect these shared pitches, also known as common tones, and the pitches with just a step between them. If we were to think of these chords in root position, the C in our C Major chord would move to G in our G Major chord.

When we allow ourselves the freedom to invert chords, though, we can look at our options within the G chord. Out of G, B, and D, the B is the closest neighbor to C, so let’s go with that move for now. The A minor and F Major chords both feature a C, which means that our line can take advantage of common tones in the last two chords.

We can repeat this process with the E in the C E G of our C Major triad. E leads nicely to D, then back to the E shared by a minor and C Major, and finally to the F in the F Major triad. Finally, if we build a line starting at G, we can hold the G common between our C and G triads. The G would then move up to the neighboring A in the A minor chord and stay there as we proceed to F Major, as the A is held in common between the A minor and F Major triads.

The chord tones of C, G, am, and F with arrows connecting smooth lines.

In developing these three lines, we have developed a sort of lattice-structure with our chord progression. We have the vertical depiction of our chords we started with – the four stacks of pitches that make up C, G, Am, and F – as well as three separate journeys for three individual voices.

Octave Displacement

In order for our work in finding lines to mean anything, we need to be able to move pitches around, or displace them. This is made possible by the principle of octave equivalence, which suggests that two pitches separated by one or more octaves are functionally equivalent in terms of pitch class. This allows us to move C3 up to C4 in our C Major triad without any fear of changing the quality of the chord. (For more on tuning systems and why octaves are tuned perfectly, check out my article on the 432 Hz vs. 440 Hz debate.)

Having established our three different lines within the chord progression, we can manipulate our progression into three different chord progressions by displacing each line either up or down by an octave. Using the same example we’ve been using to demonstrate this, the first image depicts a C6 – G6 – Am4 – F progression.

The C6 – G6 – Am4 – F chord progression, which utilizes three chord inversions and one root position chord.

Our second image displaces the top line of our previous progression by an octave so that it becomes our bottom line, with the resulting chord progression being C – G4 – Am6 – F4.

The C – G4 – Am6 – F4 chord progression, which utilizes three different chord inversions and a different root position chord.

Finally, our third image depicts voice leading that would not be acceptable in a traditional counterpoint setting because of parallel fifths between the G and am chords. It is also our most boring bass line out of the three alternatives, but for the sake of consistency and thoroughness, we might as well have a look at it. This final chord progression is C4 – G – Am – F6.

The C4 – G – Am – F6 chord progression, which utilizes two chord inversions and two root position chords.

Independent Voices

The most granular of the steps we can take when using chord inversions involves analyzing the relationships between the lines when moving from chord to chord. I hinted at this when I mentioned the parallel fifths in the C4 – G – Am – F6 progression. Let’s take a look at that same chord progression to find other examples of relationships between the voices.

Parallel motion is the least independent relationship voices can have with one another. Here are those pesky parallel fifths I mentioned indicated with the parallel arrows.

The C4 – G – Am – F6 chord progression with parallel 5ths annotated with arrows.

A slightly more independent relationship is similar motion, in which two pitches move in the same direction by different intervals. In the image below, C proceeds down to B, which is a half-step away, whereas E moves to D, a whole-step down. This is a very slight difference, but an example of similar motion as opposed to parallel motion nonetheless, which demonstrates a greater degree of independence between the voices.

The C4 – G – Am – F6 chord progression with arrows indicating similar motion in the first two chords.

The outer voices of this chord progression open with what is known as oblique motion, which involves maintaining a common tone in one voice and a movement either up or down in another voice. When we use chord inversions we can maintain more common tones, which makes it possible for us to build more oblique motion into our progressions. This relationship indicates a greater level of independence between voices than the prior two options, but is not yet the gold standard for independence in voices.

The C4 – G – Am – F6 chord progression with arrows indicating oblique motion in the first two chords.

Our final relationship between voices is referred to as contrary motion, and it is particularly satisfying to hear because of the extent to which it indicates independent voices. The progression we have been using does not feature any contrary motion, so I have added a new lowest note to each chord in order to build a strong bassline moving in contrary motion to the top voice. With the new bassline added below, the outer voices move in contrary, or opposite, directions.

The C – G4 – Am6 – F6 chord progression with arrows indicating contrary motion between the outer voices.

An interesting thing to note about basslines is that the smoothest line will not always make the best bassline. With the internal voices of chords, smoother is almost always better, but the bassline, as an outer voice, stands out more and can be designed with larger intervals, also known as leaps, intentionally and stylistically.

In this case, there are no rules or even best practices, just different approaches that will yield different sounds. For this reason, the bassline, like a top melody, should fit with the chords, but also have a sort of independent identity. That said, the lowest note, as the bass note, is part of naming the chord, so the new chord progression that results from adding a new lowest note to each chord is C – G4 – Am6 – F6.

Free MIDI Pack

Producer Hive Free MIDI Chord Pack

50 one-bar MIDI files, each containing a popular chord progression arranged in inversions. 22 major key area chord progressions + 28 minor key area chord progressions.

Grab The Pack!

The free MIDI pack we’re throwing in with this article is loaded with files that you can use to understand progressions.

We have taken a wide assortment of chord progressions in both major and minor keys and written the chords out using smooth voice leading with the help of chord inversions.

We recommend using these as rough tools at the early stages of crafting chord progressions. Much like the examples taken from the article, they are all built in the key area of C (or A minor in the case of the minor key area chord progressions), but they are easy to transpose into other keys.

We would love to hear how you use these, so feel free to share your finished work in the Producer Hive Community on Facebook, or tag us on Instagram!