The Gbm9b5 chord (G flat half diminished 9) contains the notes Gb, Bbb, Dbb, Fb and Ab. It is produced by taking the 1 (root), b3, b5, b7 and 9 of the Gb Major scale. It can often be used as a substitute for the Gb half diminished chord. Here’s how to play it.
10 Ways To Play The Gbm9b5 chord
If you’ve come to this page just to view some chord diagrams for Gbm9b5, here they are.