They've covered many notable songs, namely Lady Gaga's Judas, which was mentioned on Perez Hilton:
http://perezhilton.com/2011-07-14-capital-childrens-choir-performs-lady-gaga-judas#.TtV9ZbLNlIc
http://www.youtube.com/watch?v=FKngT4m3ETM
Their Youtube channel is here:
http://www.youtube.com/user/capitalchoir
http://perezhilton.com/2011-07-14-capital-childrens-choir-performs-lady-gaga-judas#.TtV9ZbLNlIc
http://www.youtube.com/watch?v=FKngT4m3ETM
Their Youtube channel is here:
http://www.youtube.com/user/capitalchoir