Saturday Night Live · season 3, episode 55 · Saturday, January 21, 1978 Host: Steve Martin (4th time). Musical guest: Randy Newman, The Nitty Gritty Dirt Band. • Randy Newman performs "Short People" and "Rider in the Rain". Members of The Nitty Gritty Dirt Band perform backing vocals during Newman's set. The Nitty Gritty Dirt Band, in turn, performs "On the Loose" and "White Russia". (Martin accompanied them on banjo for the latter song.) • Steve Martin announces that a snowstorm the day before caused limited rehearsals. • Roseanne Roseannadanna makes her Weekend Update debut in this episode replacing Emily Litella as consumer affairs correspondent. • First appearance of the What if? sketch. (What if Napoleon had a B-17 bomber?) Wiki link