A7-5 (A7b5) altered chord

Altered A chord for piano presented by keyboard diagrams.
Explanation: The A7-5 (or A7b5) alter the A7 by the change of one note. A7-5 stands for A seven minus five.
Theory: The A7-5 are identical with the A7 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).


A7-5 chord diagram
Notes: A - C# - Eb - G
Left hand: 5-3-2-1
Right hand: 1-2-3-5

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A chord categories

A Am A7 Am7 Amaj7 AmM7 A6 Am6 A6/9 A5 A9 Am9 Amaj9 A11 Am11 Amaj11 A13 Am13 Amaj13 Aadd A7-5 A7+5 Asus Adim Adim7 Am7b5 Aaug Aaug7