Db13(#9) Guitar Chords Explained | Db Dominant Thirteen Sharp Ninth
Need D13(#9) rather than Db13(#9)? Jump to D13(#9).
Db13(#9) (Db thirteenth sharp nine) is a dominant thirteenth with a raised ninth, spelled Db, F, Ab, Cb, E, Gb and Bb.
The E is the sharp ninth, a raised Eb, and Cb is the minor seventh. Open C#13(#9) for the same chord under its other spelling. The Db Half-Whole scale covers every chord tone except the eleventh, which is the note Gb.
The major third F and the minor seventh Cb form the tritone behind the dominant pull toward the chord a fourth above Db, which is Gb. The thirteenth, Bb, sits on top of the stack.
Db 13th with sharp 9th guitar chord is also written as Db13(#9), Db13#9 or Db13+9.
Db13(#9) Chord Notes and Formula
Notes that compose the Db 13(#9) chord:
How the Dominant Thirteen Sharp Ninth chord is built:
Formula: 1 3 5 b7 #9 11 13
Same chord, different name: Db13(#9) is also written as C#13(#9) (C# thirteenth sharp nine).
Db13(#9) Chord Interactive Fretboard
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Db13(#9) Guitar Chord Diagrams
Position 1 Barre Movable
Db Thirteenth Sharp Nine Finger Positions
- Mute the high E string
- Place your index finger (1) on the fret 8 of the A string
- Place your middle finger (2) on the fret 9 of the low E string
- Place your ring finger (3) on the fret 9 of the D and G strings at the same time
- Place your pinky finger (4) on the fret 11 of the B string
Position 2 Movable Slash Chord
Db/F Thirteenth Sharp Nine Finger Positions
- Mute the low E string
- Mute the A string
- Place your index finger (1) on the fret 3 of the D string
- Place your middle finger (2) on the fret 4 of the G string
- Place your ring finger (3) on the fret 5 of the B string
- Place your pinky finger (4) on the fret 6 of the high E string
The lowest note is F, not the root, so this voicing is the slash chord Db13(#9)/F.
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Chords That Go With Db13(#9)
One key where Db13(#9) fits is Gb major, where it works as the V chord, an altered chord whose E is borrowed from outside the key. These are the main chords of that key, the ones you will often hear around it:
See every key in the guitar keys chart, or build a progression with these chords in the chord progression generator.
More Db Chords
Want to know how this chord is built? Read dominant chords explained, or browse all Db guitar chords.
Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
Which notes spell Db13(#9)?
Db13(#9) is Db, F, Ab, Cb, E, Gb and Bb. That is the root, major third, perfect fifth, minor seventh, sharp ninth, eleventh and thirteenth.
Do Db13(#9) and C#13(#9) sound identical?
Yes, they are enharmonic. C#13(#9) is spelled C#, E#, G#, B, D##, F# and A#, so Db13(#9) is the simpler spelling.
What is the E in Db13(#9)?
It is the sharp ninth. The major ninth over Db is Eb, and raising it a half step gives E natural, which sounds like a minor third.
Which scale goes with Db13(#9)?
The Db half-whole scale covers every chord tone except the eleventh, Gb. Its note E matches the sharp ninth.
