He was there to tell his story, share with others how to create viral videos online and also to give them a few lessons on how to dance to Dubstep, which is a type of electronic dance music, which originated in South London, United Kingdom.
More happily, the "stolen children" a narrative element Ms. Tharp devised to give her take on MacDonald's tale further dance opportunities are outfitted winningly in togs that might be off the rack of a local boutique.