Def Jam breakout and Grammy Best New Artist nominee Muni Long performed her song "Time Machine" on the 12/13 installment of Fallon, with a visual presentation that complemented the song's sci-fi trappings. It's a killer moment that reveals more facets of this tunesmith-turned-star, who's also nominated for R&B Song. "Time Machine" appears on her full-length set, Public Displays of Affection: The Album.