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 lower.
Fingerings: Little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).
Ab7-5
Notes: Ab - C - D - Gb
Left hand: 5-3-2-1
Right hand: 1-2-3-5
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