Dadd9
D Add 9
1 3 5 9

Notes in Dadd9

DR
F♯3
A5
E9

The Dadd9 chord contains 4 notes: D, F♯, A, E

Intervals

IntervalSemitonesNoteFunction
R0DRoot
34F♯Major 3rd
57APerfect 5th
92EMajor 9th

About D Add 9 Chords

Add9 chords are major triads with an added 9th (the 2nd, played an octave up). Unlike a full 9th chord, add9 doesn't include the 7th, giving it a cleaner, more pop-friendly sound. It adds sparkle and width without jazz complexity.

Compatible Scales & Modes

These scales contain all the notes of Dadd9 and can be used for soloing, improvising, and writing melodies over this chord.

D Ionian (Major Scale)
The 9th is simply the 2nd an octave up — major scale covers it naturally.
D Lydian
Adds extra color with the ♯4 on top of the add9 voicing.

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