Explore the D 13b9 Guitar Chord with Interactive Tools

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D 13(b9) position 3 guitar chord diagram

D13(b9) (D thirteenth flat nine) follows the formula 1, 3, 5, b7, b9, 11, 13, so on D it reads D, F#, A, C, Eb, G and B.

Two voicings are listed for this root, from fret 4 up to fret 10, and both are barre shapes. The D Half-Whole scale, built from alternating half and whole steps, has every chord tone except the eleventh. The flat ninth Eb sits a half step above the root.

Hear D13(b9) as a strum and as an arpeggio on the interactive fretboard at the top, one string at a time.

D 13th with flat 9th guitar chord is also written as D13(b9), D13b9 or D13-9.

Notes that compose the D 13(b9) chord:

D F# A C Eb G B

Tones in the Dominant Thirteen Flat Nine chord:

Formula: 1 3 5 b7 b9 11 13

D 13(B9) Guitar Chord Diagrams

Position 1 Barre Movable

D 13(b9) position 3 guitar chord diagram

Finger Positions

  • Mute the low E string
  • Place your index finger (1) on the fret 4 of the D and B strings at the same time
  • Place your middle finger (2) on the fret 5 of the A string
  • Place your ring finger (3) on the fret 5 of the G string
  • Place your pinky finger (4) on the fret 7 of the high E string

Position 2 Barre Movable

D 13(b9) position 4 guitar chord diagram

Finger Positions

  • Mute the A string
  • Place your index finger (1) on the fret 7 of the B and high E strings at the same time
  • Place your middle finger (2) on the fret 8 of the G string
  • Place your ring finger (3) on the fret 10 of the low E string
  • Place your pinky finger (4) on the fret 10 of the D string

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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

Which notes does D13(b9) contain?

D13(b9) contains D, F#, A, C, Eb, G and B. They are the root, major third, perfect fifth, minor seventh, flat ninth, eleventh and thirteenth.

How many voicings exist for D13(b9)?

Two valid voicings are on record for D13(b9), and both are barre voicings. Together they run from fret 4 to fret 10.

Which scale suits D13(b9)?

The D half-whole scale includes every chord tone except the eleventh, G. It also contains the flat ninth, Eb, that defines the chord.

What is the difference between D13(b9) and D7(b9)?

D7(b9) stops at the minor seventh and flat ninth. D13(b9) goes further and adds the eleventh, G, and the thirteenth, B.