Yesterday at DC’s Awesome Con a huge crowd turned out for Pinky and Brain voice actors Rob Paulsen and  Maurice LaMarche.  At one point LaMarche mentioned that Paulsen had only required a single take for the Yakko’s World song on one of their other shows, Steven Spielberg’s Animaniacs, and he urged Paulsen to sing it for us.  So Paulsen did–without prep or notes and without making a single mistake, exactly as you hear it in the video below: