How does Gsus4 change G major's basic triad?

The third (B) is gone, swapped out for C, a perfect fourth above the root — a substitution that leaves the chord sounding taut and unfinished until the fourth steps back down to a third.

How is Gsus4 typically played in a strum pattern?

As a quick hammer-on into G major rather than a chord held on its own — lift the barring finger off the E and A strings and the chord resolves instantly to the plain major triad.

Why does sus4 feel like it wants to resolve while sus2 doesn't?

The fourth sits a half step above the major third it displaced, creating audible tension the ear expects to settle, while the second sits further away and reads as open and unresolved rather than urgently pulling anywhere.

Does Gsus4 appear outside the key of G?

Yes — as a IV(sus4) color chord decorating D major, giving that key's fourth chord the same expectant lift Gsus4 provides for G major's own tonic.

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Gsus4 Chord on Ukulele

Gsus4 = G – C – D (Root, Perfect 4th, Perfect 5th)

Gsus4 replaces G major's third with C, a perfect fourth above the root, and the shape frets the C string at the second fret, then barres the E and A strings together at the third fret, leaving the G string open for the root. That two-string barre plus one fretted note is a bit more than plain G major's own two-finger shape asks for, but the added tension of the fourth makes the extra work worthwhile whenever a progression wants a moment of expectancy before landing.

Sus4 chords are the strumming ukulele's favorite ornament, and Gsus4 is a particularly natural example of it given how central G major already is to the instrument's repertoire: hammering Gsus4 into plain G major by releasing the barring finger is a staple rhythmic move in folk and campfire-style playing, adding a small lift right before the tonic chord settles. Used this way, Gsus4 rarely functions as a chord in its own right; it's almost always a brief detour resolving within the same beat or two, in contrast to sus2's more static, unresolved hover. It also works as a IV(sus4) chord decorating the D major key center, offering the same expectant tension one step removed from that key's own tonic.

Fingerings

Open Position

How to Practice It

The barre across the E and A strings at the third fret needs to lift cleanly the instant the chord resolves to plain G major, so practice the hammer-on-and-release as a single gesture: fret Gsus4, then lift just the barring finger while the C string's finger stays put, landing on G major without re-fretting anything else. Getting that release timed exactly to the beat matters more than the initial fretting speed. Once the resolution feels automatic, try it inside a full strum pattern — sus4 on an upbeat, resolving to the major chord right on the downbeat — since that's how the shape gets used in real playing far more often than as a chord held on its own for a full measure.

Common Progressions

Gsus4 resolving to G major as a hammer-on rhythmic ornament
I(sus4) – I – IV – V, decorating the tonic in G major
IV(sus4) – IV – I, decorating the fourth chord in D major
Gsus4 – G – C – D, a folk-style strum pattern in G major

FAQ

How does Gsus4 change G major's basic triad?: The third (B) is gone, swapped out for C, a perfect fourth above the root — a substitution that leaves the chord sounding taut and unfinished until the fourth steps back down to a third.
How is Gsus4 typically played in a strum pattern?: As a quick hammer-on into G major rather than a chord held on its own — lift the barring finger off the E and A strings and the chord resolves instantly to the plain major triad.
Why does sus4 feel like it wants to resolve while sus2 doesn't?: The fourth sits a half step above the major third it displaced, creating audible tension the ear expects to settle, while the second sits further away and reads as open and unresolved rather than urgently pulling anywhere.
Does Gsus4 appear outside the key of G?: Yes — as a IV(sus4) color chord decorating D major, giving that key's fourth chord the same expectant lift Gsus4 provides for G major's own tonic.

Gsus4 on other instruments: Gsus4 on Guitar, Gsus4 on Piano. Related: how chords are built, chord finder.