C# m7(b9)/E

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, with E as the bass note.

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

How to play the C# m7(b9)/E chord

  1. Play E as the lowest bass note in the left hand
  2. Find C# (Root) on the piano keyboard
  3. Add E (Minor third) — 3 semitones above C#
  4. Add G# (Perfect fifth) — 7 semitones above C#
  5. Add B (Minor seventh) — 10 semitones above C#
  6. Add D (Minor ninth) — 13 semitones above C#
  7. Press all 6 notes simultaneously to sound the C# m7(b9)/E chord

Inversions with same root

Related chords with different root