C# m6(add9)/F

The C# m6(add9) chord consists of the C# (Perfect unison), E (Minor third), G# (Perfect fifth), A# (Major sixth) and D# (Major ninth) notes, with F as the bass note.

Piano keyboard showing the notes for a C# m6(add9)/F chord

How to play the C# m6(add9)/F chord

  1. Play F 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 A# (Major sixth) — 9 semitones above C#
  6. Add D# (Major ninth) — 14 semitones above C#
  7. Press all 6 notes simultaneously to sound the C# m6(add9)/F chord