AKA: Gb7(b5), Gb7/b5, Gb7(-5), Gb7 Flat 5, Gb Dominant 7th b5, Gb Dominant Seventh Flat Fifth
Notes:
G♭, B♭, D♭♭, F♭
(G♭, B♭, C, E)
Intervals:
R, 3°, dim5°, m7°
Left hand:
Enharmonic F# + C7
Fingering:
2 + 5 (bass pattern)
or
3 or 4 + 2 (counter bass pattern)
