A moveable half-diminished barre — the ii of B♭ minor.
Notes: C – F# – A# – D# · Formula: 1 – ♭3 – ♭5 – ♭7
Load C Half-Diminished (Cm7b5) onto an interactive fretboard, hear every note, and build it into a progression.
Play Cm7b5 in the Studio →Cm7b5 is a premium chord — opening it in the Studio prompts a subscription to unlock full access.
A C Half-Diminished (Cm7b5) chord contains the notes C, F#, A#, D#. It is built from the half-diminished formula 1 - ♭3 - ♭5 - ♭7, with C as the root.
Yes — it's a fully moveable shape with its root on the A string, so sliding it up two frets gives Dm7b5, up to the 5th fret gives Dm7b5, and so on. Because it uses no open strings, the same grip produces a half-diminished chord for any root you place the root finger on.