The Ab Diminished Arpeggio contains the following notes:

Ab – Cb – Ebb

It is essentially an Ab minor chord, with a flat 5.

Open Position

Here’s how to play the Ab diminished arpeggio in the open position.

Diminished-Arpeggio-Frets-Key-Ab-Pos-Open-Shape-0
Diminished-Arpeggio-Notes-Key-Ab-Pos-Open-Shape-0

A Flat Diminished Arpeggio CAGED Positions

Here are the 5 CAGED positions for the Ab diminished arpeggio on the guitar (notes and tabs).

1st Position (lowest fret is 1):

Diminished-Arpeggio-Frets-Key-Ab-Pos-1-Shape-5
Diminished-Arpeggio-Notes-Key-Ab-Pos-1-Shape-5

4th Position (lowest fret is 4):

Diminished-Arpeggio-Frets-Key-Ab-Pos-4-Shape-1
Diminished-Arpeggio-Notes-Key-Ab-Pos-4-Shape-1

6th Position (lowest fret is 6):

Diminished-Arpeggio-Frets-Key-Ab-Pos-6-Shape-2
Diminished-Arpeggio-Notes-Key-Ab-Pos-6-Shape-2

9th Position (lowest fret is 9):

Diminished-Arpeggio-Frets-Key-Ab-Pos-9-Shape-3
Diminished-Arpeggio-Notes-Key-Ab-Pos-9-Shape-3

10th Position (lowest fret is 10):

Diminished-Arpeggio-Frets-Key-Ab-Pos-10-Shape-4
Diminished-Arpeggio-Notes-Key-Ab-Pos-10-Shape-4

Further Reading:

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