Modal RunsC#sus4 Chord (Sus4)
Sus4 replaces the 3rd with the 4th — root, 4th, perfect 5th — building in a note that wants to fall. The notes of C#sus4 are C#, F#, G#.
The classic "suspended" sound: a held breath before the 4th drops a semitone into the 3rd and the chord finally resolves.
C#sus4 voicings on guitar
Every playable, root-in-the-bass grip standard tuning offers, computed from the chord’s own formula — not a fixed shape library.
Never let it just sit — play sus4 immediately followed by the major triad and you’ve got the entire sus4-to-major cadence in two chords.
Formula and intervals
R - 4 - 5 — 3 notes.
Scales that fit C#sus4
Every scale below contains all of this chord’s notes — safe territory to improvise in over it.
Also compatible: Minor Pentatonic, Blues, Harmonic Minor, Melodic Minor.