D7 is a dominant seventh, spelled D, F#, A and C. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is x223, which sits at fret 2, needs a barre across 2 strings at fret 2 and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 14.
Notes and intervals
Note
D
F#
A
C
Interval
1P
3M
5P
7m
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
x223sits at fret 2, needs a barre across 2 strings at fret 2 and mutes 1 string7680sits at fret 6, spans 2 frets and lets 1 string ring open7989sits at fret 7 and spans 2 frets5655sits at fret 5 and needs a barre across 4 strings at fret 5110100sits at fret 10, spans 1 fret and lets 2 strings ring open7653sits at fret 3 and spans 4 fretsx0109sits at fret 9, spans 1 fret, lets 1 string ring open and mutes 1 stringx141415sits at fret 14, needs a barre across 2 strings at fret 14 and mutes 1 string11141415sits at fret 11 and spans 4 frets2223sits at fret 2 and needs a barre across 3 strings at fret 27089sits at fret 7, spans 2 frets and lets 1 string ring open768xsits at fret 6, spans 2 frets and mutes 1 string
Keys D7 belongs to
D7 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.