The D 7♭13 chord is a five-note chord made up of D, F♯, A, C, and B♭. It is built from a root, major third, perfect fifth, minor seventh, and minor thirteenth.
Construction
D 7♭13 = Root + Major 3rd + Perfect 5th + Minor 7th + Minor 6th = D · F♯ · A · C · B♭
| Note | Interval | Degree |
|---|---|---|
| D | Root | 1 |
| F♯ | Major 3rd | 3 |
| A | Perfect 5th | 5 |
| C | Minor 7th | ♭7 |
| B♭ | Minor 6th | ♯5 |
Key Signature
A chord has no key signature of its own, but the D 7♭13 is the tonic (I) chord of D Major, whose key signature has 2 sharps (F♯, C♯).
F♯C♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of D Major
These are the triads built on each degree of the D major scale:
D 7♭13 — Frequently Asked Questions
What is the D 7♭13 chord on piano?
The D 7♭13 chord contains the notes D – F♯ – A – C – B♭. On piano, play these notes together to sound the chord.
What notes are in the D 7♭13 chord?
The D 7♭13 chord (D7♭13) contains 5 notes: D, F#, A, C, Bb. Formula: R-M3-P5-m7-m13.
How is D7♭13 used in music?
D7♭13 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 D7♭13?
D7♭13 uses scale degrees 1-3-5-b7-b13, giving it its distinctive sound.