Construction
D♭ Major 7♭5 = Root + Major 3rd + Diminished 5th + Major 7th = D♭, F, A♭♭, C
| Note | Interval | Degree |
|---|---|---|
| D♭ | Root | 1 |
| F | Major 3rd | 3 |
| A♭♭ | Diminished 5th | ♭5 |
| C | Major 7th | 7 |
Fingering
| Note | Key color | Right hand | Left hand |
|---|---|---|---|
| D♭ | black | index finger (2) | little finger (5) |
| F | white | middle finger (3) | ring finger (4) |
| A♭♭ | white | ring finger (4) | middle finger (3) |
| C | white | little finger (5) | index finger (2) |
Right hand: index finger (2) on D♭, middle finger (3) on F, ring finger (4) on A♭♭, little finger (5) on C.
Left hand: little finger (5) on D♭, ring finger (4) on F, middle finger (3) on A♭♭, index finger (2) on C.
Key Signature
A chord has no key signature of its own, but the D♭ Major 7♭5 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♭ Major 7♭5 : Frequently Asked Questions
What is the D♭ Major 7♭5 chord on piano?
The D♭ Major 7♭5 chord contains the notes D♭ – F – A♭♭ – C. On piano, play these notes together to sound the chord.