Playing the C#aug Guitar Chord
The C#aug chord is a augmented chord built on the root C#. It contains 3 notes: C#, F, A. On guitar, this chord can be played in multiple positions across the fretboard, from open shapes to barre chord voicings.
A major triad with a raised fifth. Creates a mysterious, unsettled sound. For guitarists, mastering the C#aug chord unlocks many songs in the key of C#.
Recommended C#aug Guitar Voicing
The interactive fretboard above shows a practical C#aug voicing. The chord notes (C#, F, A) appear as highlighted positions. Tap any highlighted fret to hear that note, or click "Play C#aug" to hear the full chord.
Interval Structure of C#aug
| Degree | Interval | Semitones | Note in C# |
|---|---|---|---|
| Root | Root (R) | 0 | C# |
| 3rd | Major 3rd | 4 | F |
| 5th | Augmented 5th | 8 | A |
Common Progressions with C#aug on Guitar
- I–IV–V: C#aug – F#aug – G#aug (foundation of blues and rock)
- I–V–vi–IV: C#aug – G# – A#m – F# (modern pop staple)
- I–vi–IV–V: C#aug – A#m – F# – G# (50s doo-wop)
Tips for Practicing C#aug 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#aug and nearby chords like F# and G#. Use slow, deliberate strums and check each string rings clearly.