Ultimate Guide to Learning Chord Progressions

As ukulele players, most of our time is spent playing chords and making sure to hit the right chord change at the appropriate moment. Most of us start out by learning our favorite songs and strumming along merrily. At one point though, it is important to delve into some light theory to understand the inner workings of chord progressions to reach the next level and really enhance your playing.

Once you see these progressions as little formulas and understand where they come from, learning and memorizing songs become a real breeze. You will eventually save time and recall music in a more efficient manner.

Applying Roman Numerals to Chords

One way mankind has decided on how to identify chords and their functions in a song is by Roman numerals. When you take a major scale, say C major, if you build 3 note chords on each of its scale tones, you get a variety of chords. Since there are 7 different notes in the scale, you get 7 different chords and they go like this:

C – C major
D – D minor
E – E minor
F – F major
G – G major
A – A minor
B – B diminished

First of all, it’s important to remember the order of the nature of these chords. It should be well rehearsed and free of hesitation. In the major scale, this order
never changes and it is the foundation of many musical theory concepts.

After you’re done doing that, it’s time to apply this to other keys and the best method of doing that is to see each scale tone as a Roman numeral. Since we have 7 different notes and chords, we apply a Roman numeral from the root to the last not of the scale. It will look like this:

I major
II minor
III minor
IV major
V major
VI minor
VII diminished

If you commit these to memory, you’ll be able to figure out which key any song is in and eventually even write your own! So it’s well worth it. At this point, it’s a good idea to spend some time working out the whole range of chords from any given scale. So pick one and write down all the chords that it includes to fully understand how this works. Here’s an example in G:

G major
A minor
B minor
C major
D major
A minor
F#diminished

Figuring out which scale a song is in

Once you’ve learned the Roman numeral system and you are comfortable with it, it’ll be simpler to identify a song’s key and analyze its chord progression. To do so, write down all the chords that are present in the piece. Usually, a good place to start is when you notice two consecutive major chords (for example Bb and C) to figure out which key the song is in. In that case, it would be F, because that’s the only scale that has both the Bb and C major chords.

If you’re having a hard time figuring it out, put all the chords in ascending order of their root notes and see if you can figure it out that way. Try it out with songs you already know and understand how it works for yourself.

Once you know the key, it’s easy to apply Roman numerals to each chord and see the chord progression as a series of Roman numerals. Most chord progressions will run for 4 bars, but this can vary and things will look different depending on the time signature and general arrangement of the song.

Popular Progressions

The more songs you learn, the more patterns you will see in the progressions composers use to write music. There are definitely go-to chord movements and reoccurring orders in which chords are played. Here are some of the most used progressions.

I – IV – V – I
I – IIm – V – I
I – VIm – IV – V
I – V – VI – IV

I suggest you practice these in all the keys you can think of, it will definitely help you to absorb and understand the concept.

Applying barre chords

Where things get really interesting is when you apply this knowledge to the ukulele fretboard. By purposefully using barre chords and omitting the open chords of the uke, you will translate the chordal changes to physical movements. Muscle memory is quite important in music and will help you save time and develop finesse and efficiency.

By learning a few of the major and minor barre chords, you’ll be able to play most chord progressions in one area of the neck using the same chords over and over again. Start with these two chords and practice all the I, IV, V chords you can in every scale. You can start with the root of the scale based on the 4th string, but also make sure you practice with the root being on the 3rd string chord and see the difference between the two.

4th string root major chord:

3rd string root major chord:

Now with the addition of this minor chord whose root is based on the 2nd string, you can play all the progressions included in this article.
As you can see, no matter the key, your fingers are always doing the same thing, it’s simply the area where you play that changes.

Although all this may seem like a lot of work, the idea behind is that the more you recognize the musical patterns that exist, the faster you will be able to memorize songs and their progressions.

Another awesome side effect of seeing things in Roman numerals is that you will be able to transpose any song without actually thinking about adjusting each and every single chord of the piece. You’ll just translate it into the numeral system and apply the correct chord in the new key you want. If you spent time working on translating the progression to barre chords, it will be a simple task of starting in the right key and let your fingers do all the work with minimal thought!

About the Author
Marc-Andre Seguin is the webmaster, “brains behind” and teacher on JazzGuitarLessons.net, the #1 online resource for learning how to play jazz guitar. He draws from his experience both as a professional jazz guitarist and professional jazz teacher to help thousands of people from all around the world learn the craft of jazz guitar.

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