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 ! ♪
"As a professor of science, I assure you we did, in fact, evolve from filthy monkey-men."
Soon...
Da Daa Dadada Daaaaa Me Dark Force Laser
da daaaaa, dadada daaaaa da, dadadadaaaaaaaa daaaa, dadada daaaaaaaaa ! ♪