Rock on with Elmo and friends! Famous rocker Virgil Von Vivaldi (Michael McKean) is in town to recruit musicians for his all-rock rock band. Can Elmo and Abby help him find the right rocks? Then LMNOP (Donald Glover) is set to perform on the Street but loses all of his equipment. Can the Sesame gang help him make replacements in time for the show to go on? Filled with over two hours of stories, songs, and learning, plus Abby's Flying Fairy School and Elmo the Musical. Guest starring Rev. Run and Dax Shepard.