Gb minor major 9th chord

GbmM9 chord for piano with keyboard diagram.
Explanation: The G flat minor major ninth is a five-note chord. The chord has various abbreviations, including GbmMaj9, Gbm(M9) and Gbminmaj9.
Theory: The GbmM9 chord is constructed with a root, a minor third, a perfect fifth, a major seventh and a major ninth. It shares features of both minor and major ninth.