What notes are in the C# m7(b9) chord?

The C# m7(b9) chord consists of 5 notes: C#, E, G#, B and D. These notes together form the C# m7(b9) chord.

What intervals make up the C# m7(b9) chord?

The C# m7(b9) chord contains the following intervals from its root note (C#): C# (Perfect unison), E (Minor third), G# (Perfect fifth), B (Minor seventh) and D (Minor ninth).

C# m7(b9)

Q: How do you play the C# m7(b9) chord?

To play the C# m7(b9) chord on piano, press the following keys simultaneously: C# (Perfect unison), E (Minor third), G# (Perfect fifth), B (Minor seventh) and D (Minor ninth). Find these notes on the piano keyboard and press them all at the same time to sound the C# m7(b9) chord.

The C# m7(b9) chord consists of the C# (Perfect unison), E (Minor third), G# (Perfect fifth), B (Minor seventh) and D (Minor ninth) notes.

Piano keyboard showing the notes for a C# m7(b9) chord

How to play the C# m7(b9) 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 D (Minor ninth) — 13 semitones above C#
Press all 5 notes simultaneously to sound the C# m7(b9) chord

Inversions with same root

C# m7(b9)(#9)

Related chords with different root

E m7(add6)
E 7(add6)

Related slash chords

E 7/C#