A Magic chord/C
The A Magic chord chord consists of the A (Perfect unison), A# (Minor second), D (Perfect fourth), D# (Diminished fifth), G (Minor seventh), A (Perfect octave), C (Minor tenth) and D (Perfect eleventh) notes, with C as the bass note.

How to play the A Magic chord/C chord
- Play C as the lowest bass note in the left hand
- Find A (Root) on the piano keyboard
- Add A# (Minor second) — 1 semitone above A
- Add D (Perfect fourth) — 5 semitones above A
- Add D# (Diminished fifth) — 6 semitones above A
- Add G (Minor seventh) — 10 semitones above A
- Add A (Perfect octave) — 12 semitones above A
- Add C (Minor tenth) — 15 semitones above A
- Add D (Perfect eleventh) — 17 semitones above A
- Press all 9 notes simultaneously to sound the A Magic chord/C chord