A Diminished Ukulele Arpeggio
Ukulele arpeggio — fretboard diagram
A Diminished Arpeggio — Notes and Intervals
Notes: A, C, Eb
Intervals: 1P, 3m, 5d
Formula: WH-WH
Number of notes: 3
Also known as: dim, °, o
The A Diminished arpeggio contains 3 notes (A, C, Eb). Use the interactive fretboard above to explore this arpeggio on Ukulele with different tunings and fret ranges.
When to Use the A Diminished Arpeggio
Play the A Diminished arpeggio whenever a A Diminished 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 Diminished arpeggio uses 3 notes (A, C, Eb) 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 Diminished Arpeggio on Ukulele
On ukulele, find A around the open strings and play through the arpeggio tones (A, C, Eb). With 3 notes, this arpeggio fits within a single chord shape on the ukulele. Try picking through the A Diminished chord form to hear the arpeggio in context.
The A Diminished arpeggio creates a tense, unstable sound built from minor thirds. It works over Adim, Adim7, Am7b5 chords and is often used as a passing device to create dramatic tension before resolving to a stable chord.
Practice Routine
Play the A Diminished arpeggio as whole notes over a backing track or drone on A. Focus on intonation and tone quality for each of the 3 notes (A, C, Eb). 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 Diminished arpeggio. Experiment with picking patterns that take advantage of the high G string to create unexpected interval leaps within the arpeggio shape.