C♯sus4
C# Suspended 4th — the fourth suspends over the harmony and pulls down to the third — tension and release in one move.
The keys
C♯ – F♯ – G♯
What's inside C♯sus4
| Note | Interval from root | Degree |
|---|---|---|
| C♯ | Root | 1 |
| F♯ | Perfect 4th | 4 |
| G♯ | Perfect 5th | 5 |
Inversions
| Position | Keys (low → high) |
|---|---|
| Root position | D♭4 – G♭4 – A♭4 |
| 1st inversion | G♭4 – A♭4 – D♭5 |
| 2nd inversion | A♭4 – D♭5 – G♭5 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | D♭2 – A♭2 |
| Right (colour) | G♭4 – A♭4 |
Where C♯sus4 lives
Suspend and resolve
C♯sus4 → D♭
The suspension releases into the plain triad — tension, then home.
As a pad colour
D♭sus → B → G♭
Kept unresolved, the sus chord floats — a staple of modern pads.
Put C♯sus4 under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →