G7-5 (G7b5) altered chord

Altered G chord for piano presented by keyboard diagrams.
Explanation: The G7-5 (or G7b5) alter the G7 by the change of one note. G7-5 stands for G seven minus five.
Theory: The G7-5 are identical with the G7 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).

G7-5

G7-5 chord diagram
Notes: G - B - Db - F
Left hand: 5-3-2-1
Right hand: 1-2-3-5

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G chord categories

G Gm G7 Gm7 Gmaj7 G6 Gm6 G6/9 G5 G9 Gm9 Gmaj9 G11 Gm11 G13 Gm13 Gadd G7-5 G7+5 Gsus Gdim Gm7b5 Gaug