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Guitar chord · Dominant 9sus4

C#9sus4 chord (C# Dominant 9sus4)

7sus4 with a 9th: the 3rd is replaced by the 4th, giving an open, unresolved dominant.

Notes C#F#G#BD#
Formula 1 4 5 ♭7 9
Shapes 3 on this page

C#9sus4 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, C#.

6th String Root 9 x 9 8 7 x
5th String Root x 4 4 4 4 4
4th String Root x x 11 11 12 11

Interactive chord diagram

C#9sus4 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕ ✕ ✕ ✕

Tap any note to hear it.

Scales to play over C#9sus4

These scales start on C# and contain every note of the chord, so they fit when C#9sus4 is the chord of the moment.

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Questions

What notes are in a C#9sus4 chord?
C#9sus4 is C#, F#, G#, B, D#: the 1, 4, 5, ♭7, 9 of C#.
How do you play C#9sus4 on guitar?
6th String Root: 9 x 9 8 7 x; 5th String Root: x 4 4 4 4 4; 4th String Root: x x 11 11 12 11 (low E to high E, x = don't play the string).
What scale goes with C#9sus4?
Scales on C# that contain every note of C#9sus4: C# Minor, C# Dorian, C# Mixolydian, C# Bebop Dominant, C# Mixolydian b6, C# Bebop Dorian.

Dominant 9sus4 chords in every key

More C# chords