D Add9 (Dadd9) Chord Guitar

A D major with its 9th voiced in — bright, compact and expressive.

A D major chord with an added 9th (E) voiced up the neck.
Keeps all four tones — root, 3rd, 5th and 9th — ringing clearly.
Adds a singing, expressive top end for fingerstyle and arpeggios.
Keeps the F♯ third in place, so it's a true add9, not a sus.

Root9th3rd5th

E6th

FretMuted

Finger—

A5th

Fret5

Finger4

D4th

Fret4

Finger3

G3rd

Fret2

Finger1

B2nd

Fret3

Finger2

e1st

FretOpen

FingerOpen

Notes: D – F# – A – E · Formula: 1 – 3 – 5 – 9

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Questions about D Add9 (Dadd9)

What notes are in a D Add9 (Dadd9) chord?

A D Add9 (Dadd9) chord contains the notes D, F#, A, E. It is built from the added 9th formula 1 - 3 - 5 - 9, with D as the root.

Why does Dadd9 keep the third when some open shapes drop it?

The 3rd (F♯) is what makes a chord major rather than suspended. A common open shape voiced x-x-0-2-3-0 leaves the F♯ out, which technically produces a Dsus2, not a Dadd9. This voicing frets the F♯ deliberately so the chord contains a real major third alongside the added 9th (E).

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