Csus4 Chord on Guitar
Csus4 = C – F – G (Root, Perfect 4th, Perfect 5th)
Csus4 swaps the third for a perfect fourth, producing a sound with genuine forward pull — unlike sus2's floating ambiguity, sus4 actively wants to resolve, and that built-in tension is exactly why it's one of the most reached-for embellishments in rock rhythm guitar. Fingered here as an eighth-fret E-shape barre, it shares the same overall hand position as C major, just one note away from it.
The notes are C, F, and G — root, fourth, fifth — and because the fourth sits only a half step above where the major third would go, the ear hears it as an unresolved note actively straining to fall. That single half-step relationship is the entire mechanism behind the classic sus4-to-major move: strum Csus4, then release the fretting finger down one fret to land on plain C major, and the ear perceives real resolution even though harmonically almost nothing has changed. It's a staple technique across rock, country, and pop rhythm playing precisely because it's so cheap to execute and so effective to hear.
Fingerings
Barre (8th fret)
How to Practice It
Unlike the sus2 shape's wide stretch, sus4 barely moves the hand at all from the plain major triad — usually just one finger sliding a single fret — which makes the classic sus4-to-major resolution one of the easiest embellishments on the whole neck to add convincingly. The real skill worth practicing is timing: strumming the sus4 on an off-beat and resolving to the major chord right on the downbeat is what makes the technique sound intentional and musical rather than like a fumbled fretting mistake.
Common Progressions
- Csus4 – C – F (the classic sus4-to-major resolution before moving on)
- C – Csus4 – C – F (a rhythm-guitar embellishment pattern)
- Csus4 – C – G – Am (a pop progression using sus4 as a pickup color)
- F – Csus4 – C (IV – Isus4 – I)
FAQ
- Why does Csus4 feel like it wants to resolve, unlike Csus2?
- The fourth sits only a half step above where the major third would fall, so the ear hears it as a note under tension, straining toward that nearby resolution, whereas sus2's second sits further away and reads as open ambiguity rather than active pull.
- What's the standard technique for using Csus4?
- Strum the sus4 chord, then slide the fretting finger down one fret to land on plain C major — that small motion delivers a satisfying moment of resolution and is one of the most common rhythm-guitar embellishments across rock, country, and pop.
- How does the Csus4 barre compare in difficulty to the Csus2 barre?
- It's noticeably easier — sus4 usually only moves one finger a single fret from the plain major shape, while sus2 demands a genuinely wider stretch, making sus4 the more approachable suspension of the two on this particular voicing.
- Why is sus4-to-major such a common rhythm guitar move?
- It's mechanically cheap — often just one finger moving one fret — while delivering a clear, satisfying sense of tension and release, which is exactly the kind of low-effort, high-payoff technique rhythm guitarists reach for constantly to add motion to otherwise static chords.
- Does Csus4 ever stay unresolved in a progression?
- Yes, though less often than sus2 — because sus4's pull toward resolution is so strong, leaving it hanging tends to sound more like an interrupted phrase than a deliberate ambiguous color, so most uses do eventually resolve, even if not immediately.
- What's the harmonic difference between C major and Csus4?
- Only the third versus the fourth changes — C major's E becomes Csus4's F, a single half-step shift that's nonetheless enough to completely change the chord's emotional character from settled to expectant.
- Is there a more comfortable position to play a C-rooted sus4?
- Yes — an open-position voicing using the A-shape sus4 template moved up to the third fret reaches the same pitch collection without the eighth-fret barre, and is generally the version beginners learn first.
Csus4 on other instruments: Csus4 on Piano, Csus4 on Ukulele. Related: how chords are built, chord finder.