Guitar arpeggio

B Dominant 9 Guitar Arpeggio

B Dominant 9 is a five-note arpeggio built from B, D#, F#, A, and C#. It is also commonly called B Dominant Ninth, and B9. Use it to study chord tones, interval formulas, and guitar fretboard positions.

Chord tones
BD#F#AC#
Formula
1 3 5 b7 9
Semitones
0 4 7 10 14
Chord symbols
B9
Also called
B Dominant NinthB9

How to read this arpeggio

The chord tones are shown as pitch classes first. In the fretboard tool, square markers represent B root notes, while circular markers represent the remaining tones in the arpeggio.

Use the interactive fretboard to locate the B root notes and connect the remaining dominant 9 chord tones across standard tuning.

This same arpeggio shape is also commonly called B Dominant Ninth or B9.

Fretboard diagram

B Dominant 9 Guitar Arpeggio fretboard diagram in standard tuning B Dominant 9 Guitar Arpeggio fretboard diagram in standard tuning

Open this arpeggio in the fretboard tool

Start with B Dominant 9 loaded, then adjust tuning, labels, colors, fret count, and orientation.

Open in interactive fretboard

Arpeggio diagrams by tuning