Chord · Altered Dom.

D7♭9♭13 — D Altered ♭9♭13

D7♭9♭13 is the D altered ♭9♭13 chord. It is built on the root D with major 3rd (F♯), perfect 5th (A), minor 7th (C), minor 9th (E♭) and minor 13th (B♭) above it — the formula 1 3 5 ♭7 ♭9 ♭13, sounding the notes D F♯ A C E♭ B♭. On the piano it sits at D (octave 4) and above in the library's voicing; the same 6 notes in any octave are still D7♭9♭13.

Root
D
Quality
Altered ♭9♭13
Formula
1 3 5 ♭7 ♭9 ♭13
Notes
D F♯ A C E♭ B♭

On the keyboard

D7♭9♭13 on the piano keyboard: D F♯ A C E♭ B♭DF♯ACE♭B♭

The notes of D7♭9♭13

DegreeNoteInterval from the rootPitch
1DrootD4
3F♯major 3rdF♯4
5Aperfect 5thA4
♭7Cminor 7thC5
♭9E♭minor 9thE♭5
♭13B♭minor 13thB♭5

Other altered dom. on D

Altered ♭9♭13 chords on every root

Part of the chord reference. See also the scales and the keys.