A# Half-diminished Guitar Arpeggio

A#m7♭5 Diminished fifth · 4 notes ·Symbol : m7♭5

Arpeggio Notes

Bb R
Db ♭3
E ♭5
Ab ♭7

Solfège : Sib – Réb – Mi – Lab

Arpeggio Structure

Bb T+½ Db T+½ E 2T Ab

About this arpeggio

The half-diminished arpeggio (ø) is central in ii–V–I progressions in minor jazz. Its diminished fifth and minor seventh create tension that calls for resolution. On guitar, its compact voicings overlap with m6 shapes, facilitating position memorization.

See all fretboard positions for A# Half-diminished in the interactive ScalaSix app.

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Same arpeggio in other keys