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C♯sus4

C♯sus4 is made of C♯–F♯–G♯. It replaces the third with the perfect fourth F♯; unlike an add4 chord, it contains no third. The same pitches may also be spelled as D♭sus4 (D♭–G♭–A♭).

C example showing the interval structure of C♯sus4, notes C♯, F♯, G♯
C piano keyboard example showing the interval structure of C♯sus4, notes C♯, F♯, G♯
NotesC♯ · F♯ · G♯
Formula1 · 4 · 5
AliasesD♭sus4

Voice leading

C♯sus4 → C♯

Common tones
C♯ · G♯
Moving voice
F♯ → E♯

F♯ moves down a semitone to E♯, while C♯ and G♯ remain as common tones.

C♯sus4
C♯
E♯C♯G♯

Inversions

C♯F♯G♯
F♯G♯C♯
G♯C♯F♯

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