Da, DA, dA and other variants may refer to:
https://en.wikipedia.org/wiki/DA
Da Daa Dadada Daaaaa Me Dark Force Laser
da daaaaa, dadada daaaaa da, dadadadaaaaaaaa daaaa, dadada daaaaaaaaa ! ♪
"There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower."
Soon...
Da Daa Dadada Daaaaa Me Dark Force Laser
da daaaaa, dadada daaaaa da, dadadadaaaaaaaa daaaa, dadada daaaaaaaaa ! ♪