D# Dominant Flat Ninth Ukulele Arpeggio
Ukulele arpeggio — fretboard diagram
D# Dominant Flat Ninth Arpeggio — Notes and Intervals
Notes: D#, G, A#, C#, E
Intervals: 1P, 3M, 5P, 7m, 9m
Formula: 2W-WH-WH-WH
Number of notes: 5
Also known as: 7b9
The D# Dominant Flat Ninth arpeggio contains 5 notes (D#, G, A#, C#, E). Use the interactive fretboard above to explore this arpeggio on Ukulele with different tunings and fret ranges.
When to Use the D# Dominant Flat Ninth Arpeggio
Play the D# Dominant Flat Ninth arpeggio whenever a D# 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 D# Dominant Flat Ninth arpeggio uses 5 notes (D#, G, A#, C#, E) 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 D# Dominant Flat Ninth Arpeggio on Ukulele
On ukulele, find D# around fret 2 and play through the arpeggio tones (D#, G, A#, C#, E). 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 D# Dominant Flat Ninth arpeggio outlines a dominant seventh chord, creating the tension that wants to resolve. Use it over D#7, D#9, D#13 chords, especially in blues, funk, and jazz where dominant harmony drives the groove.
Practice Routine
Practice the D# Dominant Flat Ninth arpeggio in different octaves, starting low and working up. Then try displacing the octaves — play the root low, the G an octave higher, and continue leaping. This trains your ear to hear the intervals (1P, 3M, 5P, 7m, 9m) in any register.
Ukulele Tips
The ukulele's re-entrant tuning creates natural voice leading within the D# 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.