The ‘G flat Major arpeggio’ is built from the 1 (root), 3 and 5 of the Gb Major scale. It contains the following notes:
Gb – Bb – Db
The Gb Major arpeggio is a Gb Major chord, with the notes played individually, one at a time. You can read about how arpeggios work, and access a library of arpeggios by following the links.
Gb Major Arpeggio CAGED Positions
Here are the 5 CAGED positions for the Gb Major arpeggio on the guitar (notes and tabs).
Gb Major Arpeggio in the 1st Position (lowest fret is 1)


Gb Major Arpeggio in the 2nd Position (lowest fret is 2)


Gb Major Arpeggio in the 6th Position (lowest fret is 6)


Gb Major Arpeggio in the 8th Position (lowest fret is 8)


Gb Major Arpeggio in the 11th Position (lowest fret is 11)


That covers the CAGED positions for the Gb Major arpeggio. Click on the following links to read more about arpeggios and related materials.