D#sus4 chord
D# suspended fourth
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The D#sus4 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: D# Major D# Minor D# Blues G# Major G# Minor G# Major Pentatonic A# Minor A# Blues A# Minor Pentatonic