I-IV-V foundation
This is the core major-key movement behind blues, rock, country, and pop progressions.
Guitar chord companion
D Add 9 Chord
Learn the D Add 9 chord on guitar with chord tones, intervals, and interactive fretboard shapes.
1D3F#5A9E
Playable D Add 9 Chord voicings
Start with these chord-box shapes, then use the full fretboard below to see every chord tone.
D shape, open position
Low to high strings: 2 x 0 2 3 0
C shape, fret 2
Low to high strings: x 5 4 2 5 2
A shape, fret 5
Low to high strings: x 5 7 9 7 5
G shape, fret 7
Low to high strings: 10 7 7 7 7 10
E shape, fret 10
Low to high strings: 10 12 x 11 x 12
Full fretboard map
Every D Add 9 Chord chord tone across the neck, with roots highlighted for quick orientation.
Frets 0–24. Select a position or tap a note to hear it.
CAGED
Progression examples using D Add 9
Try these progressions to hear the harmony in context. On bass, outline each chord with individual target tones.
I-vi-IV-V loop
A familiar pop progression that balances a stable tonic with relative minor color.
Chord Tones
| Degree | Interval | Note |
|---|---|---|
| 1 | Root | D |
| 3 | M3 | F# |
| 5 | P5 | A |
| 9 | M9 | E |
Scales Containing the Complete Formula
Complete Formula
1 – 3 – 5 – 9
Compound degrees retain their names: 9, 11, and 13 are extensions. A voicing may place their pitches in a closer register.