C#m7♭5 chord on Oud
in Arabic (CFADGC) tuning
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
Piano Left hand Right hand
Fingerings (16)
C#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 2 2 2 0 x | 1 2 3 4 – – | C# G B E G x | medium | |
| x 2 4 2 4 4 | – 1 2 1 3 4 | x G C# E B E | medium · barre on fret 2 | |
| x x 4 5 4 4 | – – 1 2 1 1 | x x C# G B E | easy · barre on fret 4 | |
| x 6 7 5 6 x | – 2 4 1 3 – | x B E G C# x | medium | |
| x 6 7 9 6 7 | – 1 2 4 1 3 | x B E B C# G | medium · barre on fret 6 | |
| x 8 7 9 9 7 | – 2 1 3 4 1 | x C# E B E G | medium · barre on fret 7 | |
| x 8 10 9 9 x | – 1 4 2 3 – | x C# G B E x | medium | |
| x x 10 11 9 11 | – – 2 3 1 4 | x x G C# E B | medium | |
| x 11 10 11 0 11 | – 2 1 3 – 4 | x E G C# G B | medium | |
| 11 11 x 11 0 11 | 1 2 – 3 – 4 | B E x C# G B | hard | |
| 1 2 2 2 x x | 1 2 3 4 – – | C# G B E x x | medium | |
| 4 2 4 2 4 x | 2 1 3 1 4 – | E G C# E B x | medium · barre on fret 2 | |
| x 8 4 5 4 4 | – 3 1 2 1 1 | x C# C# G B E | hard · barre on fret 4 | |
| 7 6 7 9 6 x | 2 1 3 4 1 – | G B E B C# x | medium · barre on fret 6 | |
| x 8 7 9 0 7 | – 3 1 4 – 2 | x C# E B G G | medium | |
| x 8 10 x 9 11 | – 1 3 – 2 4 | x C# G x E B | hard |
The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for Oud generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the C#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C# |
| ♭3 | 3 | E |
| ♭5 | 6 | G |
| ♭7 | 10 | B |
More C# chords
Other roots
See C#m7♭5 in another tuning
What notes make up the C#m7♭5 chord?
C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.