The C suspended fourth chord (Csus4) is a harmonically open and tension-filled chord that replaces the major third of the C major triad with a perfect fourth. Comprising the notes C, F, and G, it creates a suspended, unresolved sound that naturally seeks resolution, often back to the major triad. The C suspended fourth chord is widely used in pop, rock, and contemporary music to add melodic interest, harmonic variety, and a sense of anticipation within chord progressions. Its simple yet expressive structure makes it a versatile and effective tool for both accompaniment and transitional purposes in musical compositions.
Name: C suspended fourth chord
Notes: C, F, G
Intervals: 1, 4, 5
Chord symbol: Csus4
Alternative symbols: C(sus4), Csus
Type: Triad (three-note chord)
C suspended fourth chord on the Staff
C suspended fourth chord on Piano
C suspended fourth chord on Guitar
C suspended fourth chord on Ukulele
Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.