How to play D#7b13: a dominant 7th flat 13 built on D#, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the 5th fret. 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 6 5 6 6 7 (x = not played).
| Note | D# | Fx | C# | B | E# |
|---|---|---|---|---|---|
| Interval | R | 3 | b7 | b13 | 9 |
D#7b13 is a dominant 7th flat 13 with D# as its root. The full theoretical spelling is D#, Fx, A#, C#, E#, G#, B. This voicing omits the 5th and 11th, the tones guitarists drop first when fitting a chord onto six strings. A note on 13th chords: the root, 3rd, 7th, and 13th are generally considered sufficient in practice, although the technical definition spells the 9th and 11th as part of the chord too.
D#7b13 is not a diatonic chord in any major or minor key: it turns up as a borrowed chord, a passing chord or an altered dominant, which is part of its color.
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D#7b13 is spelled D#, Fx, A#, C#, E#, G#, B: the root, 3rd, 5th, flat 7th, 9th, 11th, flat 13th. The common guitar voicing sounds D#, Fx, C#, B, E#, leaving out the 5th and 11th.
Frets from the low E string to the high E string: x 6 5 6 6 7 (x means the string is not played). Fret the D string at the 5th fret. Add the A, G and B strings at the 6th fret. Add the high E string at the 7th fret. Strum from the A string down; the low E string stays silent.
D#7b13 is not a diatonic chord in any major or minor key: it turns up as a borrowed chord, a passing chord or an altered dominant, which is part of its color.
