How to play D9: a dominant 9th built on D, with 2 ways to play it, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x 5 4 5 5 5 (x = not played).
| Note | D | F# | A | C | E |
|---|---|---|---|---|---|
| Interval | R | 3 | 5 | b7 | 9 |
D9 is a dominant 9th with D as its root. The full theoretical spelling is D, F#, A, C, E. This voicing sounds every chord tone.
D9 is a diatonic chord (built from the key's own notes) in 1 major key and 1 minor key. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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D9 is spelled D, F#, A, C, E: the root, 3rd, 5th, flat 7th, 9th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: x 5 4 5 5 5 (x means the string is not played). Fret the D string at the 4th fret. Add the A, G, B and high E strings at the 5th fret. Strum from the A string down; the low E string stays silent.
D9 belongs to 2 keys: G major (the V chord) and E minor (the VII).
