Cavaquinho · Half-diminished chord

Cm7b5 Half-diminished

Key: C# Major
Medium

Cm7b5 is the C half-diminished chord on cavaquinho, made of the notes C · D# · F# · A#.

Position 1 of 2Main

Notes

C
D#
F#
A#

Structure

1
♭3
♭5
♭7

Sound: Half-diminished (m7♭5); Dark, jazzy
Harmonic function: Dominant; Creates tension that resolves to the tonic.

Harmonic field of C# Major

Degree	Chord	Function
I	C#	Tonic
ii	D#m	Subdominant
iii	Fm	Tonic relative
IV	F#	Subdominant
V	G#	Dominant
vi	A#m	Tonic relative
vii°	Cdim	Dominant

How to play

1Barre fret 1 with your index finger, from string 4 to string 2.
2Place your middle finger on fret 3 of string 3.
3Place your ring finger on fret 4 of string 1.
4Strum all the strings.