Guitar arpeggio
C# Major 9 Guitar Arpeggio
C# Major 9 is a five-note arpeggio built from C#, E#, G#, B#, and D#. It is also commonly called C# Major Ninth, and C#Maj9. Use it to study chord tones, interval formulas, and guitar fretboard positions.
- Chord tones
- C# , E# , G# , B# , D#
- Formula
- 1 3 5 7 9
- Semitones
- 0 4 7 11 14
- Chord symbols
- C#maj9 , C#M9
- Also called
- C# Major NinthC#Maj9
How to read this arpeggio
The chord tones are shown as pitch classes first. In the fretboard tool, square markers represent C# root notes, while circular markers represent the remaining tones in the arpeggio.
Use the interactive fretboard to locate the C# root notes and connect the remaining major 9 chord tones across standard tuning.
This same arpeggio shape is also commonly called C# Major Ninth or C#Maj9.
Fretboard diagram
Open this arpeggio in the fretboard tool
Start with C# Major 9 loaded, then adjust tuning, labels, colors, fret count, and orientation.
Open in interactive fretboard