Arpeggio · D9 · Piano
The D9 arpeggio is D – F♯ – A – C – E — chord tones 1 3 5 ♭7 9. D9 is a fuller V chord; the 9th sits on top of the dominant seventh; its sound is rich, bluesy. Below, every D, F♯, A, C, E on the two-octave keyboard is marked, with the root in gold. Press play to hear a one-octave arpeggio, or tap any note.
Visualizer
Piano
Guitar · standard tuning
Play runs the arpeggio up and down one octave. Tap any marked note to hear it. “Show” switches or combines the fretboard and keyboard; “Sound” picks the instrument you hear. Audio is synthesized in the browser.
Reference
| Chord tone | Note | Interval from D |
|---|---|---|
| 1 | D | unison (0 semitones) |
| 3 | F♯ | major 3rd (4 semitones) |
| 5 | A | perfect 5th (7 semitones) |
| ♭7 | C | minor 7th (10 semitones) |
| 9 | E | major 2nd + octave (14 semitones) |
Goes with: D Mixolydian (D E F♯ G A B C). Voicings: see the four-note chord voicings in the chord library.
Common questions
D – F♯ – A – C – E. As chord tones: 1 3 5 ♭7 9. Played one after another instead of together, that is the arpeggio.
D9 is a fuller V chord; the 9th sits on top of the dominant seventh. Its character is rich, bluesy.
D Mixolydian (D E F♯ G A B C) — the arpeggio is the skeleton of that scale, so practise them together.
Play D – F♯ – A – C – E ascending from D, then descend; then start from each chord tone in turn (inversions) so your hand knows the shape from any note.
Keep going
Same arpeggio on guitar · Dominant 9th hub · chord-scale theory.
Other arpeggios from D