" Lead the way, " he said promptly, and he swept off along the corridor behind Harry, leaving Snape standing next to the gargoyle and looking twice as ugly.
She stood rooted, unable to move from the position to which she had leaped when she heard his words, staring at the old man who stood feebly waving a letter.
Spike Lee, one of the great filmmakers in the United States, made a movie almost 20 years ago called " School Daze" where you can also see this kind of dance used and performed by the characters.