AKA: Gbm(+7) add2, Gbm(+7) add9, Gbm(maj7) add2, Gbm(maj7) add9, Gbm(maj7/9), Gbm(Δ9), Gbm7+(9), Gbmin maj9, GbminorΔ9, GbminΔ9, GbmM7/9, GbmM9, GbmΔ add2, GbmΔ add9
Notes:
G♭, B♭♭, D♭, F, A♭
(G♭, A, D♭, F, A♭)
Intervals:
R, m3°, 5°, 7°, 9°
Left hand:
G♭ + G♭m + D♭M
(F# + F#m + C#M)
Fingering:
4 + 2 + 3
