Construction
D♭ 7♭9 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 2nd = D♭, F, A♭, C♭, E♭♭
| Note | Interval | Degree |
|---|---|---|
| D♭ | Root | 1 |
| F | Major 3rd | 3 |
| A♭ | Perfect 5th | 5 |
| C♭ | Minor 7th | ♭7 |
| E♭♭ | Minor 2nd | ♭9 |
Fingering
| Note | Key color | Right hand | Left hand |
|---|---|---|---|
| D♭ | black | thumb (1) | little finger (5) |
| F | white | index finger (2) | ring finger (4) |
| A♭ | black | middle finger (3) | middle finger (3) |
| C♭ | white | ring finger (4) | index finger (2) |
| E♭♭ | white | little finger (5) | thumb (1) |
Right hand: thumb (1) on D♭, index finger (2) on F, middle finger (3) on A♭, ring finger (4) on C♭, little finger (5) on E♭♭.
Left hand: little finger (5) on D♭, ring finger (4) on F, middle finger (3) on A♭, index finger (2) on C♭, thumb (1) on E♭♭.
Key Signature
A chord has no key signature of its own, but the D♭ 7♭9 is the tonic (I) chord of D♭ 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 D♭ Major:
D♭ 7♭9 : Frequently Asked Questions
What is the D♭ 7♭9 chord on piano?
The D♭ 7♭9 chord contains the notes D♭ – F – A♭ – C♭ – E♭♭. On piano, play these notes together to sound the chord.
What notes are in the Db 7♭9 chord?
The Db 7♭9 chord (Db7♭9) contains 5 notes: Db, F, Ab, B, D. Formula: R-M3-P5-m7-m9.
How is Db7♭9 used in music?
Db7♭9 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 Db7♭9?
Db7♭9 uses scale degrees 1-3-5-b7-b9, giving it its distinctive sound.