Wo die wilden Kerle wohnen
His major works from the 1980s were his two children's operas, "Where the Wild Things Are" and "Higglety Pigglety Pop!", both libretti by Maurice Sendak – and based on Sendak's own eponymous children's books. "Where the Wild Things Are" received its New York premiere in November 1986 by New York City Opera, which also performed the work in April 2011.