Csus4 chord
C suspended fourth
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The Csus4 chord has the intervals I, IV, V. Commonly used in pop, rock, and jazz, the suspended fourth chord usually has no third and therefore sounds open since it lacks a minor or major tonality. It can function as a preparatory chord before a resolution at the third.
Matching Scales: C Major C Minor C Blues F Major F Minor F Major Pentatonic G Minor G Blues G Minor Pentatonic