Gb7-5 altered chord

Altered Gb chord for piano presented by keyboard diagrams.
Explanation: The Gb7-5 alter the Gb7 by the change of one note. Gb7-5 stands for G flat seven minus five.
Theory: The Gb7-5 are identical with the Gb7 except that the fifth tone of the scale (i.e. the third tone in the chord) is flattened.
Fingerings: little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).

Gb7-5

Gb7-5 chord diagram
Notes: Gb - Ab - C - E

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Gb chord categories

Gb Gbm Gb7 Gbm7 Gbmaj7 Gb6 Gbm6 Gb6/9 Gb5 Gb9 Gbm9 Gbmaj9 Gb11 Gb13 Gbadd Gb7-5 Gb7+5 Gbsus Gbdim Gbaug