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).
Notes: G - B - Db - F