Stephen Colbert To Sing Rebecca Black’s “Friday” With The Roots Dan Koelsch, March 30, 2011March 30, 2011 How’s that for a headline? On Monday, Stephen Colbert came on Late Night With Jimmy Fallon and made host Fallon fulfill a promise to match his own donation of $26,000 to DonorsChoose.org/fallon-colbert-project. However, Fallon made no promise, so he countered by having Colbert promise to sing the viral sensation “Friday”…