B Half-diminished Ukulele Arpeggio
Ukulele arpeggio — fretboard diagram
B Half-diminished Arpeggio — Notes and Intervals
Notes: B, D, F, A
Intervals: 1P, 3m, 5d, 7m
Formula: WH-WH-2W
Number of notes: 4
Also known as: m7b5, ø, -7b5, h7, h
The B Half-diminished arpeggio contains 4 notes (B, D, F, A). Use the interactive fretboard above to explore this arpeggio on Ukulele with different tunings and fret ranges.
When to Use the B Half-diminished Arpeggio
Play the B Half-diminished arpeggio whenever a B Half-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 B Half-diminished arpeggio uses 4 notes (B, D, F, A) 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 B Half-diminished Arpeggio on Ukulele
On ukulele, find B around fret 2 and play through the arpeggio tones (B, D, F, A). You may need to move beyond a single chord shape to reach all 4 notes. Practice connecting the arpeggio tones smoothly across adjacent fret positions.
The B Half-diminished arpeggio creates a tense, unstable sound built from minor thirds. It works over Bdim, Bdim7, Bm7b5 chords and is often used as a passing device to create dramatic tension before resolving to a stable chord.
Practice Routine
Start by playing the B Half-diminished arpeggio ascending and descending at 60 BPM, one note per beat, using a metronome. Once even and confident, play it in eighth notes, then triplets, keeping each note articulate. Spend at least 5 minutes daily on this before moving to musical application.
Ukulele Tips
On ukulele, integrate the B Half-diminished arpeggio into your fingerpicking by plucking through the chord shape one note at a time. This transforms a static strum into a melodic, harp-like texture that showcases each interval clearly.