The bearded lady being prepared to get on the stage in "I Pagliacci."

"The Verismo is a natural deployment of Positivism, a philosophical movement created with the studies of Carlos Henrique de Saint-Simon, a socialist and utopist philosopher (in other words, that harbored unrealistic ideas). He argued being necessary always start from the positivistic method (scientific) of Natural Sciences, Math and Physics for studying the man and human affairs." (Pellegrini)