Bb 7(#11)/Eb

The Bb 7(#11) chord consists of the Bb (Perfect unison), D (Major third), F (Perfect fifth), Ab (Minor seventh) and E (Augmented eleventh) notes, with Eb as the bass note.

Piano keyboard showing the notes for a Bb 7(#11)/Eb chord

How to play the Bb 7(#11)/Eb chord

  1. Play Eb as the lowest bass note in the left hand
  2. Find Bb (Root) on the piano keyboard
  3. Add D (Major third) — 4 semitones above Bb
  4. Add F (Perfect fifth) — 7 semitones above Bb
  5. Add Ab (Minor seventh) — 10 semitones above Bb
  6. Add E (Augmented eleventh) — 18 semitones above Bb
  7. Press all 6 notes simultaneously to sound the Bb 7(#11)/Eb chord