The A♭ Minor Add 11 chord is a four-note chord made up of A♭, C♭, D♭, and E♭.
Construction
A♭ Minor Add 11 = Root + Minor 3rd + Perfect 4th + Perfect 5th = A♭ · C♭ · D♭ · E♭
| Note | Interval | Degree |
|---|---|---|
| A♭ | Root | 1 |
| C♭ | Minor 3rd | ♭3 |
| D♭ | Perfect 4th | 4 |
| E♭ | Perfect 5th | 5 |
Key Signature
A chord has no key signature of its own, but the A♭ Minor Add 11 is the tonic (i) chord of Ab Minor, which shares the signature of its relative major, Cb Major — 7 flats (B♭, E♭, A♭, D♭, G♭, C♭, F♭).
B♭E♭A♭D♭G♭C♭F♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of A♭ Minor
These are the triads built on each degree of the A♭ minor scale:
A♭ Minor Add 11 — Frequently Asked Questions
What is the A♭ Minor Add 11 chord on piano?
The A♭ Minor Add 11 chord contains the notes A♭ – C♭ – D♭ – E♭. On piano, play these notes together to sound the chord.