C#9 sus chord
C#9 sus chord for piano with keyboard diagram.
Explanation: The C#9sus4 is a five-note chord (although the fifth is sometimes omitted).
Theory: The C#9sus4 is an suspended ninth chord with the third replaced by a perfect four. C#9sus4 is the same as C#11 without the major third (F).
C#9sus4
Notes: C# - F# - G# - B - D#
C9 sus chord ‹ Previous • Next › D9 sus chord