10. Chord Progression

EUMLab Support Team -

Tapping the Progression will enter Chord Progression Mode. A chord progression (or harmonic progression) is a series of musical chords, or chord changes that "aims for a definite goal" of establishing (or contradicting) a tonality founded on a key, root or tonic chord and that is based upon a succession of root relationships. There are some certain patterns of chord progression, while thousands of songs may use the same chord progression, such as I-V-vi-IV.

Read more about chord progression on:


[1] Tap b and # button can change keys. Button b represents a semitone down while button # represents a semitone up.

Read more about semitone.

[2] Tap the Title (C Major/A minor) to open the Key Signature Setting Interface. You can change to your desired key quickly as the image shows above.


[3] Press the Play Button to hear the real sound for a specific chord progression.

[4] Press the info Button for more details of one chord progression.

The Chord Progression Detail Interface is as bellow image:

[5] In the Chord Progression Detail Interface, tap the chord diagram to hear the real sound of the chord.

[6] In the lower part of the screen lists songs that use this chord progression. For example, many songs including “Country Roads” use the chord progression of I-V-vi-IV.

[7] Share button in the upper right corner allows you to share your current chord progression with your friends. For those who haven’t installed Ukulele Toolkit can learn this chord progression by description on the sharing image, and for those who have already installed Ukulele Toolkit can open the link directly and learn them inside the app.

[8] While you are playing chord progressions, a menu “Playback” is pushed up in the bottom. Pressing the up arrow on the right side of the menu bar will expand more settings.

In the expanded menu, you are allowed to switch between different music styles. Ukulele Toolkit supports Rock, Pop and Acoustic styles. You can feel the chord progressions under different musical styles more easily with this feature.

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