Db Dominant Thirteen Flat Nine Guitar Chord Fingering

Db 13(b9) guitar chord shapes

Db13(b9) (Db thirteenth flat nine) is a dominant thirteenth with a lowered ninth, spelled Db, F, Ab, Cb, Ebb, Gb and Bb.

Cb is the minor seventh and Ebb the flat ninth, both named by letter so that the stack of thirds stays intact. Open C#13(b9) for the same chord under its other spelling. The Db Half-Whole scale covers every chord tone except the eleventh.

The major third F and the minor seventh Cb form the tritone that gives the chord its dominant pull toward the chord a fourth above Db.

Db 13th with flat 9th guitar chord is also written as Db13(b9), Db13b9 or Db13-9.

Notes of the Db 13(b9) chord:

Db F Ab Cb Ebb Gb Bb

Formula of the Dominant Thirteen Flat Nine chord:

Formula: 1 3 5 b7 b9 11 13

Db 13(B9) Chord Interactive Fretboard

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Play This Chord With Other Roots

C 13(b9) | D 13(b9) | E 13(b9) | F 13(b9) | G 13(b9) | A 13(b9) | B 13(b9) | C#13(b9) | D#13(b9) | F#13(b9) | G#13(b9) | A#13(b9) | Ab13(b9) | Bb13(b9) | Db13(b9) | Eb13(b9) | Gb13(b9)

Giancarlo Facoetti, founder of FaChords Guitar

Created by

Giancarlo Facoetti

Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher

FAQ

What are the notes of Db13(b9)?

Db13(b9) is spelled Db, F, Ab, Cb, Ebb, Gb and Bb. It stacks a major third, perfect fifth, minor seventh, flat ninth, eleventh and thirteenth over Db.

Why does Db13(b9) contain Ebb?

Counting nine letters up from Db lands on E, and the major ninth is Eb. Flatting it gives Ebb, the same pitch as D, named for its function as a flat ninth.

Is Db13(b9) the same chord as C#13(b9)?

Yes, they sound identical. C#13(b9) is spelled C#, E#, G#, B, D, F# and A#, which avoids the double flat found in Db13(b9).

Which scale goes with Db13(b9)?

The Db half-whole scale covers all chord tones except the eleventh, Gb. It also carries the flat ninth, so the chord and scale agree.