C7-5 (C7b5) altered chord

Altered C chord for piano presented by keyboard diagrams.
Explanation: The C7-5 (or C7b5) alter the C7 by the change of one note. C7-5 stands for C seven minus five.
Theory: The C7-5 are identical with the C7 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, index finger (left hand); thumb, index finger, middle finger, little finger (right hand).


C7-5 chord diagram
Notes: C - E - Gb - Bb
Left hand: 5-3-2-1
Right hand: 1-2-3-5

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C chord categories

C Cm C7 Cm7 Cmaj7 CmM7 C6 Cm6 C6/9 C5 C9 Cm9 Cmaj9 C11 Cm11 Cmaj11 C13 Cm13 Cmaj13 Cadd C7-5 C7+5 Csus Cdim Cdim7 Cm7b5 Caug Caug7