The D♭ Major 7♯11 chord is a five-note chord made up of D♭, F, G, A♭, and C.
Construction
D♭ Major 7♯11 = Root + Major 3rd + Diminished 5th + Perfect 5th + Major 7th = D♭ · F · G · A♭ · C
| Note | Interval | Degree |
|---|---|---|
| D♭ | Root | 1 |
| F | Major 3rd | 3 |
| G | Diminished 5th | ♭5 |
| A♭ | Perfect 5th | 5 |
| C | Major 7th | 7 |
Key Signature
A chord has no key signature of its own, but the D♭ Major 7♯11 is the tonic (I) chord of Db Major, whose key signature has 5 flats (B♭, E♭, A♭, D♭, G♭).
B♭E♭A♭D♭G♭
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 D♭ Major
These are the triads built on each degree of the D♭ major scale:
D♭ Major 7♯11 — Frequently Asked Questions
What is the D♭ Major 7♯11 chord on piano?
The D♭ Major 7♯11 chord contains the notes D♭ – F – G – A♭ – C. On piano, play these notes together to sound the chord.