Koen started his career in musical theater, covering opera, operetta, vocal works and musicals. He has a passion for Italian opera (especially Verdi and Puccini) as well as R. Strauss. True to the motto of Leonard Bernstein: 'There is no “serious” music or “unserious” music, just good music and bad music' he also loves to conduct contemporary musicals. In the symphonic world he has conducted works from Bach to Bernstein and beyond. Click on the PDF file for a complete repertoire list.