I-IV-V foundation
This is the core major-key movement behind blues, rock, country, and pop progressions.
Guitar chord companion
C# Augmented Major 7 Chord
Learn the C# Augmented Major 7 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1C#3E##5G##7B#
Playable C# Augmented Major 7 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 2 1 1
A shape, fret 4
Low to high strings: x 4 7 5 6 5
G shape, fret 6
Low to high strings: 9 8 7 6 6 8
E shape, fret 9
Low to high strings: 9 12 10 10 10 9
D shape, fret 11
Low to high strings: x x 11 14 13 13
Full fretboard map
Every C# Augmented Major 7 Chord chord tone across the neck, with roots highlighted for quick orientation.
CAGED
Common progressions using C# Augmented Major 7
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## |
| 7 | 7 | B# |
Compatible Scales
Formula
R – 3 – #5 – 7