Guitar arpeggio
A Major Add9 Guitar Arpeggio
A Major Add9 is a four-note added-tone arpeggio built from A, C#, E, and B. It is also commonly called A Major Add 9, AAdd9, and AAdd2. Use it to study chord tones, interval formulas, and guitar fretboard positions.
- Chord tones
- AC#EB
- Formula
- 1 3 5 9
- Semitones
- 0 4 7 14
- Chord symbols
- Aadd9Aadd2
- Also called
- A Major Add 9AAdd9AAdd2
How to read this arpeggio
The chord tones are shown as pitch classes first. In the fretboard tool, square markers represent A root notes, while circular markers represent the remaining tones in the arpeggio.
Use the interactive fretboard to locate the A root notes and connect the remaining major add9 chord tones across standard tuning.
This same arpeggio shape is also commonly called A Major Add 9 or AAdd9 or AAdd2.
Fretboard diagram
Open this arpeggio in the fretboard tool
Start with A Major Add9 loaded, then adjust tuning, labels, colors, fret count, and orientation.
Open in interactive fretboard