Click to Play Audio of Barack, the Magic Negro
(song itself starts at about 1:45)

On March 19, 2007, Rush Limbaugh has an Al Sharpton impersonator
sing “Barack, the Magic Negro” to the tune of “Puff, the Magic Dragon.”
Limbaugh defends the use of the song stating, “Well, that’s what we
always do here. We do parodies and satires on the
idiocy and phoniness of the left.”