Every Dadd9 position on bass, with the songs that play it.
x-x-0-2
0-0-0-2
0-0-2-2
0-0-4-2
x-5-4-2 (fret 2)
x-5-7-7 (fret 5)
x-7-7-7 (fret 7)
12-12-12-11 (fret 11)
12-12-12-14 (fret 12)
x-x-14-14 (fret 14)