Ab7-5 (Ab7b5) altered chord

Altered Ab chord for piano presented by keyboard diagrams.
Explanation: The Ab7-5 (or Ab7b5) 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 flattenedThe tone is one half step lowerThe tone is one half step lower.
Fingerings: Little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).


Ab7-5 chord diagram
Notes: Ab - C - D - Gb
Left hand: 5-3-2-1
Right hand: 1-2-3-5

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Ab chord categories

Ab Abm Ab7 Abm7 Abmaj7 AbmM7 Ab6 Abm6 Ab6/9 Ab5 Ab9 Abm9 Abmaj9 Ab11 Abm11 Abmaj11 Ab13 Abm13 Abmaj13 Abadd Ab7-5 Ab7+5 Absus Abdim Abdim7 Abm7b5 Abaug Abaug7