Ab7-5 altered chord

Altered Ab chord for piano presented by keyboard diagrams.
Explanation: The Ab7-5 alter the Ab7 by the change of one note. Ab7-5 stands for A flat seven minus five.
Theory: The Ab7-5 are identical with the Ab7 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).

Ab7-5

Ab7-5 chord diagram
Notes: Ab - C - D - Gb

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Ab chord categories

Ab Abm Ab7 Abm7 Abmaj7 Ab6 Abm6 Ab6/9 Ab5 Ab9 Abm9 Abmaj9 Ab11 Ab13 Abadd Ab7-5 Ab7+5 Absus Abdim Abaug