Ab 13/C

The Ab 13 chord consists of the Ab (Perfect unison), C (Major third), Eb (Perfect fifth), Gb (Minor seventh), Bb (Major ninth) and F (Major thirteenth) notes, with C as the bass note.

Piano keyboard showing the notes for a Ab 13/C chord

How to play the Ab 13/C chord

  1. Play C as the lowest bass note in the left hand
  2. Find Ab (Root) on the piano keyboard
  3. Add C (Major third) — 4 semitones above Ab
  4. Add Eb (Perfect fifth) — 7 semitones above Ab
  5. Add Gb (Minor seventh) — 10 semitones above Ab
  6. Add Bb (Major ninth) — 14 semitones above Ab
  7. Add F (Major thirteenth) — 21 semitones above Ab
  8. Press all 7 notes simultaneously to sound the Ab 13/C chord

Related chords with different root