“What’s a vaudeville consultant doing in an opera house? It turns out that not just anyone can choreograph a decent slosh routine, a messy staple of slapstick in which whipped cream, custard or shaving cream is wielded as a projectile, hopefully to comic effect.” So David McVicar decided to make the itinerant clowns of Pagliacci into a traveling vaudeville troupe, he turned to this man.