How to play C#m7b5
C# half-diminished seventh — A diminished triad with a flattened seventh. The ii chord of a minor key, and where most minor jazz turnarounds begin.
Notes in C#m7b5
- C#root
- Eminor 3rd
- Gdiminished 5th
- Bminor 7th
C#m7b5 on guitar
C#m7b5 on ukulele
C#m7b5 on piano
Tune up before you play it
A half-diminished seventh chord is unforgiving of a flat third. Check the guitar with the browser tuner, then practise the change with the metronome.