C# m7(b13)
The C# m7(b13) chord consists of the C# (Perfect unison), E (Minor third), G# (Perfect fifth), B (Minor seventh) and A (Minor thirteenth) notes.
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How to play the C# m7(b13) chord
- Find C# (Root) on the piano keyboard
- Add E (Minor third) — 3 semitones above C#
- Add G# (Perfect fifth) — 7 semitones above C#
- Add B (Minor seventh) — 10 semitones above C#
- Add A (Minor thirteenth) — 20 semitones above C#
- Press all 5 notes simultaneously to sound the C# m7(b13) chord