Duo may refer to:
https://en.wikipedia.org/wiki/Duo
Us The Duo Couple Cool Singers
http://www.youtube.com/user/MichaelAlvaradoMusic watch em! <3
"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."
UsTheDuo
Us The Duo Couple Cool Singers
http://www.youtube.com/user/MichaelAlvaradoMusic watch em! <3