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Chord & Fret

Chord progressions: the paths harmony travels on ukulele

On a ukulele in G–C–E–A with a reentrant high G, the fourth string is high-pitched: the "bass" your eyes see in the diagram is not the low note your ears hear. Far from a flaw, this defines how the instrument carries progressions — through the top voice and its brightness, not through weight.

Reference shapes

C, 0 0 0 3C1GCEC
One finger and three open strings: the doorway into the pop loop in C and the best place to hear the reentrant tuning.
G, 0 2 3 2G132GDGB
The cycle's dominant; the C–G–Am change is the first real test of fluency on the neck.
Am, 2 0 0 0Am1ACEA
A one-finger relative minor, essential for the vi–IV–I–V rotations of the same loop.
F, 2 0 1 0F21ACFA
A subdominant that takes advantage of two open strings and keeps the characteristic high-G sparkle.
G7, 0 2 1 2G7213GDFB
The seventh version in a few-finger shape: the tension stays audible even in a light accompaniment strum.
Cmaj7, 0 0 0 2Cmaj71GCEB
The resting chord with a bossa and Hawaiian color in one of the instrument's easiest fingerings.

Reentrant: when string order deceives

A reentrant tuning means the strings do not run from lowest to highest in sequence: the fourth string (G) sounds above the third (C), which is the instrument's lowest note. In practice, the note that appears to sit "at the bottom" of the shape may be one of the highest in the chord. That is why inversions and bass notes written in the chart need to be checked by ear — and the chord's inner melody usually lives on the first or fourth string, not where intuition from other diagrams suggests.

The pop loop fits entirely in first position

I–V–vi–IV → C – G – Am – F

In C, this cycle uses shapes with few fingers and plenty of open strings — perfect terrain for training what really matters on the ukulele: continuity of the top voice. Play the cycle while listening to the highest note of each chord and try to make it travel as little as possible between changes. Then flip the exercise: choose different fingerpicking patterns over the same sequence and hear how the progression changes mood without swapping a single chord.

From vocal accompaniment to campanella

Accompanying a voice — in pop, folk or Hawaiian music — the ukulele works best with light strums that let the chord's top voice breathe. In solo arranging, chord melody puts the tune on the first string while the progression runs beneath it. And campanella, meaning the technique of spreading a phrase's notes across different strings so they overlap and ring like bells, is the most beautiful use of reentrancy: the high fourth string becomes an ally, offering repeated notes in distinct timbres.

Common mistakes in practice

Do I need to switch to low-G to play real progressions?

No. In high-G, a progression is carried by the top voice, the common tones and campanella — entire repertoires live on that. Low-G, with a low fourth string, only becomes necessary when the arrangement demands a continuous bass line on the instrument itself.

How do I create a sense of bass without low strings?

Use the third string (C), the instrument's lowest, to support the roots whenever possible, and accent the strong beat with the right hand. The ear fills in the rest: a firm rhythm and clear harmony create a sense of ground even without a low register.

Next level, no mystery: in the Chord & Fret app you hear, see and play every position — on your phone, via the stores.

See the full theory: Chord progressions: the paths harmony travels →

References

Content reviewed against the standard harmony literature — verified bibliography below.