In operas, even comic operas with dialogue, like "The Magic Flute", the principal singers leave the dancing to the ballet troupe. In Victorian burlesque, music hall, and vaudeville, there is little or no unifying story, just a series of sketches. "The Black Crook", with song and dance for all the actors, built around a romantic story, has been called the first musical comedy. Cecil Michener Smith dissented from this view, arguing that "calling "The Black Crook" the first example of the theatrical genus we now call musical comedy is not only incorrect; it fails to suggest any useful assessment of the place of Jarrett and Palmer's extravaganza in the history of the popular musical theatre ... but in its first form it contained almost none of the vernacular attributes of book, lyrics, music, and dancing which distinguish musical comedy." Other dissenters are Larry Stempel and Kurt Gänzl, who wrote: