How to Create Chords and Inversions on the Piano
When the term "chords" is used in relation to piano music, it usually involves the traditional triad. Triads are three-note chords that serve as the basis for most popular music and a great deal of the classical music you hear much of the time.
The word "triad" means a group of three notes that can be stacked in thirds, usually containing the root, third and fifth degrees of the scale. For example, the C major triad contains the notes C, E and G, the first, third and fifth degrees of the C major scale. The distance between the first and third, and between the third and fifth, is an interval of a third.
Here's what the basic C major triad in root position looks like, starting on the note middle C:
Here's what that chord looks like when played on your piano or keyboard:
Making Chord Inversions
When we speak about chord inversions, we're talking about rearranging the order of the notes within the chord. When C is the bottom note of the chord we say it is in root position. C is the root of the chord (i.e. the C chord) so that makes perfect sense.
A triad or three-note chord can have two inversions. When the middle note is on the bottom of the chord, we say it's in first inversion, and when the top note of the three is on the bottom, we say it's in second inversion. Here's what those chords look like on the score:
Here's what those chords look like on your piano or keyboard:
Chord Inversion Basics
Why We Use Chord Inversions
One of the main reasons for using chord inversions is to enable smooth movement from one chord to another. For example, imagine a piece of music moving from the I chord to the IV chord to the V chord and back to the I chord, as it might do at a cadence point. If we played or wrote that progression using only chords in root position it would sound jumpy and disconnected:
We can move through exactly the same chords, making use of inversions, in a much smoother manner. This is particularly useful in vocal music when you want the singers to be able to move from note to note without too much difficulty:
There are occasions when inversions aren't required. Sometimes you want the chords to be more rhythmical and percussive, such as in rock music. In these cases it's perfectly justifiable to use chords in root position only - like this:
Using Inversions to Make Music
The other thing you get with chord inversions is variety and the potential to move around the keyboard. If we stick with just the C, F, and G chords (the I, IV and V) it's surprising how complex a chord progression we can make. Here's an example, with the chords moving smoothly up and down the keyboard:
Chord inversions work exactly the same way for every chord you come across. If it's a four-note chord, such as a seventh chord, then there'll be four possibilities: root position, 1st inversion, 2nd inversion, and 3rd inversion. In each case the bottom note will change.
Also remember that chord inversions affect the entire chord as it's played on the piano or keyboard. Inversions are designated by the name of the note at the bottom of the chord. That means that if you play a C chord on the piano with the note E in the bass, that chord will be said to be in 1st inversion. Likewise if you play a C7 chord with the note B flat in the bass (the 7th note of the chord) then that chord will be said to be in 3rd inversion:
The Power of Chord Inversions
Here's another example to show you just how useful chord inversions can be. Whatever your musical tastes, chances are you've heard of the composer Handel, possibly best known for the Hallelujah Chorus from the oratorio Messiah. Another of his most popular works is the Water Music, from which the following is a brief excerpt. I've written in the chord positions.
You can hear all of the music included in this article by checking out the video at the very top of the page. Make sure you have a go at the quiz below, too, to find out how much you've learned.
Chord Inversions Quiz!
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- The Function of Cadences in Music
What are cadences in music and why do we need them? Find out their function and how they work by reading the full article.