A Dominant Flat Ninth Ukulele Arpeggio
Ukulele arpeggio — fretboard diagram
A Dominant Flat Ninth Arpeggio — Notes and Intervals
Notes: A, C#, E, G, Bb
Intervals: 1P, 3M, 5P, 7m, 9m
Formula: 2W-WH-WH-WH
Number of notes: 5
Also known as: 7b9
The A Dominant Flat Ninth arpeggio contains 5 notes (A, C#, E, G, Bb). Use the interactive fretboard above to explore this arpeggio on Ukulele with different tunings and fret ranges.
When to Use the A Dominant Flat Ninth Arpeggio
Play the A Dominant Flat Ninth arpeggio whenever a A Dominant Flat Ninth chord appears in a progression. Unlike scales (which include passing tones), arpeggios guarantee every note you play IS a chord tone, making your solo sound harmonically precise and intentional.
Arpeggio vs. Scale
The A Dominant Flat Ninth arpeggio uses 5 notes (A, C#, E, G, Bb) while the full scale uses 7. The arpeggio is a subset — think of it as the skeleton of the scale. Practice alternating between the arpeggio and the full scale to develop a melodic vocabulary that mixes chord tones with passing tones.
How to Play A Dominant Flat Ninth Arpeggio on Ukulele
On ukulele, find A around the open strings and play through the arpeggio tones (A, C#, E, G, Bb). You may need to move beyond a single chord shape to reach all 5 notes. Practice connecting the arpeggio tones smoothly across adjacent fret positions.
The A Dominant Flat Ninth arpeggio outlines a dominant seventh chord, creating the tension that wants to resolve. Use it over A7, A9, A13 chords, especially in blues, funk, and jazz where dominant harmony drives the groove.
Practice Routine
Play the A Dominant Flat Ninth arpeggio as whole notes over a backing track or drone on A. Focus on intonation and tone quality for each of the 5 notes (A, C#, E, G, Bb). After a few passes, begin improvising short melodic phrases built from these arpeggio tones, connecting them with passing notes.
Ukulele Tips
The ukulele's re-entrant tuning creates natural voice leading within the A Dominant Flat Ninth arpeggio. Experiment with picking patterns that take advantage of the high G string to create unexpected interval leaps within the arpeggio shape.