A# m13
The A# m13 chord consists of the A# (Perfect unison), C# (Minor third), F (Perfect fifth), G# (Minor seventh), C (Major ninth) and G (Major thirteenth) notes.

How to play the A# m13 chord
- Find A# (Root) on the piano keyboard
- Add C# (Minor third) — 3 semitones above A#
- Add F (Perfect fifth) — 7 semitones above A#
- Add G# (Minor seventh) — 10 semitones above A#
- Add C (Major ninth) — 14 semitones above A#
- Add G (Major thirteenth) — 21 semitones above A#
- Press all 6 notes simultaneously to sound the A# m13 chord