The D♭ mi13♭5 chord is a seven-note chord made up of D♭, F♭, A♭♭, C♭, E♭, G♭, and B♭. It is built from a root, minor third, diminished fifth, minor seventh, major ninth, perfect eleventh, and major thirteenth.
Construction
D♭ mi13♭5 = Root + Minor 3rd + Diminished 5th + Minor 7th + Major 2nd + Perfect 4th + Major 6th = D♭ · F♭ · A♭♭ · C♭ · E♭ · G♭ · B♭
| Note | Interval | Degree |
|---|---|---|
| D♭ | Root | 1 |
| F♭ | Minor 3rd | ♭3 |
| A♭♭ | Diminished 5th | ♭5 |
| C♭ | Minor 7th | ♭7 |
| E♭ | Major 2nd | 9 |
| G♭ | Perfect 4th | 11 |
| B♭ | Major 6th | 13 |
Key Signature
A chord has no key signature of its own, but the D♭ mi13♭5 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♭ mi13♭5 — Frequently Asked Questions
What is the D♭ mi13♭5 chord on piano?
The D♭ mi13♭5 chord contains the notes D♭ – F♭ – A♭♭ – C♭ – E♭ – G♭ – B♭. On piano, play these notes together to sound the chord.
What notes are in the Db mi13♭5 chord?
The Db mi13♭5 chord (Dbmi13♭5) contains 7 notes: Db, E, G, B, Eb, Gb, Bb. Formula: R-m3-d5-m7-M9-P11-M13.
How is Dbmi13♭5 used in music?
Dbmi13♭5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for Dbmi13♭5?
Dbmi13♭5 uses scale degrees 1-b3-b5-b7-9-11-13, giving it its distinctive sound.