 He became interested in theatre and the dramatic arts, and he later studied creative and liberal arts at the American University in Washington, D.C., and Columbia University in New York, and then he studied Graphical Arts in Pontifical Xavierian University in Bogotá, Colombia.While still in his twenties, Krieger began composing for Off-Off-Broadway.Eyen and Krieger first worked together on the 1975 musical version of Eyen's revue "The Dirtiest Show in Town", called "The Dirtiest Musical in Town".