Guitar chords in the key of C major:
Chord Cm7b5 (8th fret) notes: C, Gb, Bb, Eb, Bb and C.
This chord is played by placing a barre on fret eight with your index finger.
Cm7b5 - C half-diminished minor 7th guitar chord's alternative names: Cm7-5, Cø, Cm7b5, C-7b5, Cmin7-5 and Cmin7b5. See also: Cdim and Cdim7.
1(C), b3(D#/Eb), b5(F#/Gb), b7(A#/Bb).