The Ab Minor 7 b5 (A Flat Half Diminished) Arpeggio contains the following notes:
Ab – Cb – Ebb – Gb
Here’s how to play the Abm7b5 arpeggio in the open position.
A Flat Minor 7 Flat 5 Arpeggio CAGED Positions
Here are the 5 CAGED positions for the Abm7b5 arpeggio (notes and tabs).