Playing the C#sus4 Guitar Chord
The C#sus4 chord is a suspended 4th chord built on the root C#. It contains 3 notes: C#, F#, G#. On guitar, this chord can be played in multiple positions across the fretboard, from open shapes to barre chord voicings.
Replaces the third with a perfect fourth. Classic rock tension before resolution. For guitarists, mastering the C#sus4 chord unlocks many songs in the key of C#.
Recommended C#sus4 Guitar Voicing
The interactive fretboard above shows a practical C#sus4 voicing. The chord notes (C#, F#, G#) appear as highlighted positions. Tap any highlighted fret to hear that note, or click "Play C#sus4" to hear the full chord.
Interval Structure of C#sus4
| Degree | Interval | Semitones | Note in C# |
|---|---|---|---|
| Root | Root (R) | 0 | C# |
| 3rd | Perfect 4th | 5 | F# |
| 5th | Perfect 5th | 7 | G# |
Common Progressions with C#sus4 on Guitar
- I–IV–V: C#sus4 – F#sus4 – G#sus4 (foundation of blues and rock)
- I–V–vi–IV: C#sus4 – G# – A#m – F# (modern pop staple)
- I–vi–IV–V: C#sus4 – A#m – F# – G# (50s doo-wop)
Tips for Practicing C#sus4 on Guitar
Start by finding the root note C# on the 6th and 5th strings. Build the chord shape from there. Practice transitioning between C#sus4 and nearby chords like F# and G#. Use slow, deliberate strums and check each string rings clearly.