A m(maj7)(b5)/C#

The A m(maj7)(b5) chord consists of the A (Perfect unison), C (Minor third), D# (Diminished fifth) and G# (Major seventh) notes, with C# as the bass note.

Piano keyboard showing the notes for a A m(maj7)(b5)/C# chord

How to play the A m(maj7)(b5)/C# chord

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

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