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
"For all our failings, despite our limitations and fallibilities, we humans are capable of greatness."
UsTheDuo
Us The Duo Couple Cool Singers
http://www.youtube.com/user/MichaelAlvaradoMusic watch em! <3