A# Dominant Sharp Ninth Ukulele Arpeggio
Ukulele arpeggio — fretboard diagram
A# Dominant Sharp Ninth Arpeggio — Notes and Intervals
Notes: A#, D, F, G#, B##
Intervals: 1P, 3M, 5P, 7m, 9A
Formula: 2W-WH-WH-5
Number of notes: 5
Also known as: 7#9
The A# Dominant Sharp Ninth arpeggio contains 5 notes (A#, D, F, G#, B##). Use the interactive fretboard above to explore this arpeggio on Ukulele with different tunings and fret ranges.
When to Use the A# Dominant Sharp Ninth Arpeggio
Play the A# Dominant Sharp Ninth arpeggio whenever a A# Dominant Sharp 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 Sharp Ninth arpeggio uses 5 notes (A#, D, F, G#, B##) 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 Sharp Ninth Arpeggio on Ukulele
On ukulele, find A# around the open strings and play through the arpeggio tones (A#, D, F, G#, B##). 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 Sharp Ninth arpeggio outlines a dominant seventh chord, creating the tension that wants to resolve. Use it over A#7, A#9, A#13 chords, especially in blues, funk, and jazz where dominant harmony drives the groove.
Practice Routine
Play the A# Dominant Sharp 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#, D, F, G#, B##). 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 Sharp Ninth arpeggio. Experiment with picking patterns that take advantage of the high G string to create unexpected interval leaps within the arpeggio shape.