C# maj7(b5)(sus)/B

The C# maj7(b5)(sus) chord consists of the C# (Perfect unison), G (Diminished fifth) and C (Major seventh) notes, with B as the bass note.

Piano keyboard showing the notes for a C# maj7(b5)(sus)/B chord

How to play the C# maj7(b5)(sus)/B chord

  1. Play B as the lowest bass note in the left hand
  2. Find C# (Root) on the piano keyboard
  3. Add G (Diminished fifth) — 6 semitones above C#
  4. Add C (Major seventh) — 11 semitones above C#
  5. Press all 4 notes simultaneously to sound the C# maj7(b5)(sus)/B chord

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