I-IV-V foundation
This is the core major-key movement behind blues, rock, country, and pop progressions.
Guitar chord companion
C# Add 9 Chord
Learn the C# Add 9 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1C#3E#5G#9D#
Playable C# Add 9 Chord voicings
Start with these chord-box shapes, then use the full fretboard below to see every chord tone.
C shape, open position
Low to high strings: x 4 3 1 4 1
A shape, fret 4
Low to high strings: x 4 6 8 6 4
G shape, fret 6
Low to high strings: 9 6 6 6 6 9
E shape, fret 9
Low to high strings: 9 11 11 10 9 11
D shape, fret 11
Low to high strings: 13 x 11 13 14 11
Full fretboard map
Every C# Add 9 Chord chord tone across the neck, with roots highlighted for quick orientation.
CAGED
Common progressions using C# Add 9
Try these progressions to hear the chord in context instead of treating it as an isolated shape.
I-vi-IV-V loop
A familiar pop progression that balances a stable tonic with relative minor color.
Chord Tones
| Degree | Interval | Note |
|---|---|---|
| 1 | R | C# |
| 3 | 3 | E# |
| 5 | 5 | G# |
| 9 | 2 | D# |
Compatible Scales
Formula
R – 3 – 5 – 2